DOSEN PROFIL LENGKAP

up secant in Wiktionary, the free dictionary. Secant is a term in mathematics derived from the Latin secare ("to cut"). It may refer to: a secant line...

In geometry, a secant is a line that intersects a curve at a minimum of two distinct points. The word secant comes from the Latin word secare, meaning...

regions not containing the centre of the circle to which their arc belongs. Secant: an extended chord, a coplanar straight line, intersecting a circle in two...

the secant method is a root-finding algorithm that uses a succession of roots of secant lines to better approximate a root of a function f. The secant method...

tangent functions. Their reciprocals are respectively the cosecant, the secant, and the cotangent functions, which are less commonly used. Each of these...

In Euclidean geometry, the tangent-secant theorem describes the relation of line segments created by a secant and a tangent line with the associated circle...

Specifically, they are the inverses of the sine, cosine, tangent, cotangent, secant, and cosecant functions, and are used to obtain an angle from any of the...

In probability theory and statistics, the hyperbolic secant distribution is a continuous probability distribution whose probability density function and...

A secant plane is a plane containing a nontrivial section of a sphere or an ellipsoid, or such a plane that a sphere is projected onto. Secant planes are...

The integral of secant cubed is a frequent and challenging indefinite integral of elementary calculus. Integral of sec³x is as follows: ∫ sec 3 ⁡ x d x...

ˈtæntʃ, ˈθæn/), hyperbolic cotangent "coth" (/ˈkɒθ, ˈkoʊθ/), hyperbolic secant "sech" (/ˈsɛtʃ, ˈʃɛk/), hyperbolic cosecant "csch" or "cosech" (/ˈkoʊsɛtʃ...

The external secant function (abbreviated exsecant, symbolized exsec) is a trigonometric function defined in terms of the secant function: exsec ⁡ θ =...

For the intersecting secants theorem and chord theorem the power of a point plays the role of an invariant: Intersecting secants theorem: For a point...

spacing of the piles can be varied to provide suitable bending stiffness. Secant pile walls are constructed such that space is left between alternate 'female'...

In calculus, the integral of the secant function can be evaluated using a variety of methods and there are multiple ways of expressing the antiderivative...

In algebraic geometry, the secant variety Sect ⁡ ( V ) {\displaystyle \operatorname {Sect} (V)} , or the variety of chords, of a projective variety V ⊂...

Secant ogive nose cone render and profile with parameters and ogive circle shown, ogive radius larger than for equivalent tangent ogive....

the intersecting secants theorem or just secant theorem describes the relation of line segments created by two intersecting secants and the associated...

This is sometimes visualized as a projection onto a cylinder which is secant to (cuts) the sphere, though this picture is misleading insofar as the standard...

A}{\cos A}}.} The reciprocals of these ratios are named the cosecant (csc), secant (sec), and cotangent (cot), respectively: csc ⁡ A = 1 sin ⁡ A = hypotenuse...

parallels. Unlike other conic projections, no true secant form of the projection exists because using a secant cone does not yield the same scale along both...

Sidi's generalized secant method is a root-finding algorithm, that is, a numerical method for solving equations of the form f ( x ) = 0 {\displaystyle...

can be made more explicit by considering the sequence of straight lines (secant lines) passing through two points, A and B, those that lie on the function...

the rest of the disk by a straight line. The complete line is known as a secant, and the section inside the disk as a chord. More formally, a circular segment...

is a hybrid root-finding algorithm combining the bisection method, the secant method and inverse quadratic interpolation. It has the reliability of bisection...

inverse hyperbolic tangent, inverse hyperbolic cosecant, inverse hyperbolic secant, and inverse hyperbolic cotangent. They are commonly denoted by the symbols...

numbers, or up/down numbers. When n is even the number An is known as a secant number, while if n is odd it is known as a tangent number. These latter...

square of the hyperbolic secant function "sech", it is sometimes referred to as the sech-square(d) distribution or hyperbolic secant square(d) distribution...

points, the slope of the curve may be approximated by the slope of the secant line between two nearby points. When the curve is given as the graph of...

be extended infinitely on both directions into a line, the object is a secant line. The perpendicular line passing through the chord's midpoint is called...

statement that the secant line of a convex function lies above the graph of the function, which is Jensen's inequality for two points: the secant line consists...

A secant ogive...

complicated functions of both latitude and longitude. The basic idea of a secant projection is that the sphere is projected to a cylinder which intersects...

basis of the secant method. Regula falsi is also an interpolation method that interpolates two points at a time but it differs from the secant method by...

ovals states that the area cut off by a secant of a smooth convex oval is not an algebraic function of the secant. Isaac Newton stated it as lemma 28 of...

twisted cubic passing through them. The union of the tangent and secant lines (the secant variety) of a twisted cubic C fill up P3 and the lines are pairwise...

settings, in part because the needle is placed 'through' the skin at a secant so that both ends are accessible, rather than 'into' the skin. Play piercing...

this means that at some point the tangent to the graph is parallel to the secant line through the interval's endpoints. It is used in proving other general...

Johan Frederik Steffensen for numerical root-finding that is similar to the secant method and to Newton's method. Steffensen's method achieves a quadratic...

Intersecting chords theorem Intersecting secants theorem Law of cosines Pons asinorum Pythagorean theorem Tangent-secant theorem Thales's theorem Theorem of...

stereographic projection. Specifically, the projection used in the system is a secant version based on an elliptical model of the earth. The scale factor at each...

cofunctions of each other (hence the "co" in "cosine"): The same is true of secant (Latin: secans) and cosecant (Latin: cosecans, secans complementi) as well...

on a curve is called a secant line, so m is the slope of the secant line between (a, f(a)) and (a + h, f(a + h)). The secant line is only an approximation...

gradient evaluations (or approximate gradient evaluations) via a generalized secant method. Since the updates of the BFGS curvature matrix do not require matrix...

relation similar to the second-order recurrence relation of the secant method. Whereas the secant method proceeds by constructing a line through two points...

Intersecting chords theorem Intersecting secants theorem Law of cosines Pons asinorum Pythagorean theorem Tangent-secant theorem Thales's theorem Theorem of...

distribution function, related to solitons in optics, is the hyperbolic secant: f ( x ) = sech ⁡ ( x X ) . {\displaystyle f(x)=\operatorname {sech} \left({\frac...

either tangent or secant to the sphere or ellipsoid. Tangent means the surface touches but does not slice through the globe; secant means the surface...

part of the step, so the secant line from a {\displaystyle a} to a + h {\displaystyle a+h} has slope zero. Consequently, the secant lines do not approach...

Euler numbers appear in the Taylor series expansions of the secant and hyperbolic secant functions. The latter is the function in the definition. They...

thereby designated the central meridian. Both projections may be modified to secant forms, which means the scale has been reduced so that the cylinder slices...

|AS|\cdot |SC|=|BS|\cdot |SD|} Next to the tangent-secant theorem and the intersecting secants theorem, the intersecting chords theorem represents one...

This curve is a parabola. The dots on the secant line AE are equally spaced. Archimedes showed that the sum of the areas of triangles ABC and CDE is ⁠1/4⁠...

if | g ∩ O | = 2 {\displaystyle |g\cap {\mathcal {O}}|=2} the line is a secant line. (2) At any point P ∈ O {\displaystyle P\in {\mathcal {O}}} the tangent...

{\textstyle -\infty <\psi <\infty } to be the integral of the hyperbolic secant ϕ = gd ⁡ ψ ≡ ∫ 0 ψ sech ⁡ t d t = arctan ⁡ ( sinh ⁡ ψ ) . {\displaystyle...

Real function with secant line between points above the graph itself...

Proof that 22/7 exceeds π Trapezium rule Integral of the secant function Integral of secant cubed Arclength Solid of revolution Shell integration Natural...

Intersecting chords theorem Intersecting secants theorem Law of cosines Pons asinorum Pythagorean theorem Tangent-secant theorem Thales's theorem Theorem of...

r_{2}=0.2} the secant formula with correction gives an IRR estimate of 14.2% (0.7% error) as compared to IRR = 13.2% (7% error) from the secant method. If...

perspective projection in which the sphere is projected onto a tangent plane or secant plane. The point of perspective for the orthographic projection is at infinite...

wide variety of story problems, including one involving what we would call secant lines on a conic section. A more typical example is this "joint purchase"...

cos−1(x), sometimes interpreted as (cos(x))−1 = ⁠1/cos(x)⁠ = sec(x) or secant of x, the multiplicative inverse (or reciprocal) of the trigonometric function...

intersection of the secant line P 2 P 3 {\displaystyle P_{2}P_{3}} with the line x = x 1 {\displaystyle x=x_{1}} (see picture). Then the secant line P 3 P 4...

A hyperbolic secant (sech) envelope soliton for surface waves on deep water. Blue line: water waves. Red line: envelope soliton....

the angle adjacent to that leg is the length of the other leg, and the secant of the angle is the length of the hypotenuse. tan ⁡ θ = b a , sec ⁡ θ =...

Expected shortfall (ES) is a risk measure—a concept used in the field of financial risk measurement to evaluate the market risk or credit risk of a portfolio...

Quadrant 4 (angles from 270 to 360 degrees, or 3π/2 to 2π radians): Cosine and secant functions are positive in this quadrant. Other mnemonics include: All Stations...

300 secant piles, each to extend to a depth of 17-21 metres. The primary ongoing activity at the construction site is the installation of these secant piles...

as the classical secant method. The long BB step size is the same as a linearized Cauchy step, i.e. the first estimate using a secant-method for the line...

inside the limit is the slope of a secant line through two nearby points on the graph. As h approaches zero, the secant line approaches the tangent line...

generalization of the secant method to find the root of the first derivative for multidimensional problems. In multiple dimensions the secant equation is under-determined...

matches with secant line at point where λ = λ Y {\displaystyle \lambda =\lambda _{Y}} . After this value, the slope becomes smaller than the secant line where...

total product curve by drawing secants from the origin that intersect (cut) the total product curve. The slope of the secant line equals the average product...

2 = b 2 + h 2 . {\displaystyle c^{2}=b^{2}+h^{2}.} Then use the tangent secant theorem (Euclid's Elements: Book 3, Proposition 36), which says that the...

six standard trigonometric functions – sine, cosine, tangent, cotangent, secant, and cosecant, as well as archaic functions like versine and exsecant –...

city of Hyderabad, Telangana, India. The three lines are arranged in a secant model and contain 57 stations. It is funded by a public–private partnership...

between the secant line and the quartic below the secant line equals the area of the region between the secant line and the quartic above the secant line. One...

Intersecting chords theorem Intersecting secants theorem Law of cosines Pons asinorum Pythagorean theorem Tangent-secant theorem Thales's theorem Theorem of...

Davidon, Roger Fletcher, and Michael J. D. Powell) finds the solution to the secant equation that is closest to the current estimate and satisfies the curvature...

approximations. A simple two-point estimation is to compute the slope of a nearby secant line through the points (x, f(x)) and (x + h, f(x + h)). Choosing a small...

method in comparison with other methods: No initial guess: Newton's method, Secant method, Halley's method, and other similar approaches, all require one or...

the length of the opposite side. Similarly, the reciprocal of cosine is secant, which gives the ratio of the hypotenuse length to that of the adjacent...

{\displaystyle \theta ^{8}} gives some deep identities for the hyperbolic secant. In 1918, Hardy and Ramanujan studied the partition function P(n) extensively...

interaction pattern in computer science Sec, a secretion system in bacteria Secant function, in mathematics Size-exclusion chromatography Space Weather Prediction...

the calculus of one variable, this is the limiting value of the slope of secant lines to the graph of a function. Although implicit in the development of...

tables by Matthias Bernegger, showing values for the sine, tangent and secant trigonometric functions. Angles less than 45° are found on the left page...

to a circle C intersects the circle at a single point T. For comparison, secant lines intersect a circle at two points, whereas another line may not intersect...

Comparison of tangent and secant cylindrical, conic and azimuthal map projections with standard parallels shown in red...

Padé approximation to the function, in contrast to Newton's method or the Secant method which approximate the function linearly, or Muller's method which...

In financial mathematics, tail value at risk (TVaR), also known as tail conditional expectation (TCE) or conditional tail expectation (CTE), is a risk...

hyperbolic cosecant function. (Also written as arcosech.) arcsec – inverse secant function. arcsin – inverse sine function. arctan – inverse tangent function...

established all six trigonometric functions (sine, cosine, tangent, cotangent, secant, cosecant) with complete proofs, and formulated the plane and spherical...

formula Riemann–Roch theorem Riemann surface Road curve Sato–Tate conjecture secant Singular solution Sinuosity Slope Space curve Spinode Square wheel Subtangent...

Trigonometric Functions 2 3.10 Trigonometric Equations and Inequalities 3 3.11 The Secant, Cosecant, and Cotangent Functions 2 3.12 Equivalent Representations of...

altitude. At small angles, the Chapman function is approximately equal to the secant function of the zenith angle, sec ⁡ ( z ) {\displaystyle \sec(z)} . The...

the Canadian construction firm, E.S. Fox, contracted to build the ride. Secant Engineers, a local structural engineering firm, was contracted to design...

}{a}}\operatorname {sech} \left({\frac {\pi }{2a}}\omega \right)} Hyperbolic secant is its own Fourier transform 210 e − a 2 x 2 2 H n ( a x ) {\displaystyle...

The following is a list of integrals (antiderivative functions) of trigonometric functions. For antiderivatives involving both exponential and trigonometric...

A hyperbolic secant (sech) envelope soliton for water waves: The blue line is the carrier signal, while the red line is the envelope soliton....

any chosen latitude on all cylindrical projections, and is given by the secant of the latitude as a multiple of the equator's scale. The various cylindrical...

arcsecant of y, the compositional inverse of the trigonometric function secant (see below for ambiguity) sec−1x = sec−1(x), sometimes interpreted as (sec(x))−1...

(n\theta )} where csch is the hyperbolic cosecant, and sech is the hyperbolic secant. They are named after the French mathematician Louis Poinsot. Mathematics...

at 0, 1, or 2 points, respectively called an exterior line, tangent and secant. Through any point of an ellipse there is a unique tangent. The tangent...

Writer Software Company Shareware OS/2 MR/2 ICE Internet mail and news Secant / Alphacat Shareware OS/2, Windows Offline Explorer Web Metaproducts Paid...

circle from the tangent, and vice versa; as also for the secant and logarithmic tangent and secant, and vice versa. These, with others, for measuring the...

tube-like bodies) and occurrence conditions (gentle, steep, consonant, secant, etc.). Carbonate-hosted lead-zinc ore deposits Ore genesis Polymetallic...

k = 1 , … n {\displaystyle k=1,\,\dots \,n} . Compute the slopes of the secant lines between successive points: δ k = y k + 1 − y k x k + 1 − x k {\displaystyle...

{\displaystyle f(x)={\frac {1}{1+\left|{\frac {x-c}{a}}\right|^{2b}}}} Hyperbolic secant. This is also the derivative of the Gudermannian function. f ( x ) = sech...

to as "the proposition on the secants" (shakl al-qatta'). The complete quadrilateral was called the "figure of secants" in their terminology. Al-Biruni's...

(Fortran) SNOPT (Fortran) NLPQL (Fortran) MATLAB SuanShu (Java) Newton's method Secant method Model Predictive Control Jorge Nocedal and Stephen J. Wright (2006)...

Intersecting chords theorem Intersecting secants theorem Law of cosines Pons asinorum Pythagorean theorem Tangent-secant theorem Thales's theorem Theorem of...

{\displaystyle 70^{\circ }} . Using a table of secants, we find 1.27 {\displaystyle 1.27} is the secant of 38 ∘ {\displaystyle 38^{\circ }} . This means...

azimuthal) projection, in which the sphere is projected onto a tangent plane or secant plane. The point of perspective for the orthographic projection is at infinite...

is the sum of the areas of two triangles whose bases are the two smaller secant lines, and whose third vertex is where the line that is parallel to the...

ogive can be translated as "nose cone" or "warhead". The traditional or secant ogive is a surface of revolution of the same curve that forms a Gothic arch;...

Intersecting chords theorem Intersecting secants theorem Law of cosines Pons asinorum Pythagorean theorem Tangent-secant theorem Thales's theorem Theorem of...

passant), if |l ∩ Ω| = 1 a tangent line and if |l ∩ Ω| = 2 the line is a secant line. For finite planes (i.e. the set of points is finite) we have a more...

because the inverse of the slope—representing the necessary speed—for all secants is less than c {\displaystyle c} . On the other hand, the green hyperbolae...

leaving an open hole. Continuous flight augering can be used to construct a secant piled wall which can be used as a retaining wall or as shoring during excavation...

x)-f(x)}{\Delta x}}.} The last term is the difference quotient (the slope of the secant line), and taking the limit yields the derivative. Condition numbers of...

\left({\dfrac {x}{2}}+{\dfrac {\pi }{4}}\right)\right|+C} (See Integral of the secant function. This result was a well-known conjecture in the 17th century.)...

Plans (drawings) Profile gauge Section lining; representation of materials Secant plane Swokowski 1983, p. 296 in more technical language, the cross sections...

square root of the load factor. It derives from the trigonometric relation (secant) between L {\displaystyle L} and W {\displaystyle W} . For example, in a...

are manufactured by Xtreme Machining and of a patent pending design. The secant ogive projectile measures 1.808" long, including a 6 degree boat tail of...

Containing Common, Hyperbolic, and Logistic Logarithms. Also Sines, Tangents, Secants, and Versed-sines. G. G. J. and J. Robinson, and R. Baldwin, Paternoster...

trigonometric numbers) are 0, ±1/2, and ±1; the only rational values of the secant or cosecant are ±1 and ±2; and the only rational values of the tangent or...

overall scale error, a factor of 2499/2500 is applied. This creates two secant lines of longitude about 180 km east and west of the central meridian along...

1145/74540.74566. ISBN 0-89791-325-6. Michael Hardy. (2016). "On Tangents and Secants of Infinite Sums." The American Mathematical Monthly, volume 123, number...

\right)^{3}\quad 0<\varphi <2\pi ,\ \varphi \neq \pi .} For the equation of the secant line passing the two points ( 1 + 3 cos ⁡ θ , 3 sin ⁡ θ ) ,   ( 1 + 3 cos...

the length of the triangle hypotenuse is sec a, where sec denotes the secant function. Set r = sec a and apply the third fundamental hyperbolic motion...

tables by Matthias Bernegger, showing values for the sine, tangent and secant trigonometric functions. Angles less than 45° are found on the left page...

appears as the numerator of the fifth term of the Taylor series for the secant function: sec ⁡ x = 1 + 1 2 x 2 + 5 24 x 4 + 61 720 x 6 + 277 8064 x 8 +...

Temperature [°C] σ ( ε ) {\displaystyle \sigma (\varepsilon )} ISO 527-1, 2 and 3 Secant modulus [MPa] Strain [%] Temperature [°C] E t S ( ε , T ) {\displaystyle...

Saturation makes the resulting inductance a function of the applied current. The secant or large-signal inductance is used in flux calculations. It is defined as:...

Of Light No. Title Length 4. "Secant" 4:55 5. "Diphenyl Oxalate" 1:31 6. "Venter" 6:45...

If the circles have two points in common, the radical axis is the common secant line of the circles. If point P is outside the circles, P has equal tangential...

assumes that we can compare the length of arc of a circle to the length of a secant and a tangent line, and similar statements about the area, as geometrically...

root-finding algorithm that achieves the superlinear convergence of the secant method while retaining the optimal worst-case performance of the bisection...

)^{\beta }}} Γ {\displaystyle \Gamma } denotes the gamma function Hyperbolic secant distribution f ( x ) = 1 2 sech ( π 2 x ) , {\displaystyle f(x)={\frac...

through the point P is a secant of the conic C, the harmonic conjugates of P with respect to the two points of C on the secant all lie on the polar of...

{x^{2}-1}}} (The absolute value in the expression is necessary as the product of secant and tangent in the interval of y is always nonnegative, while the radical...

Figure 2. Beffective magnitude and phase for the hyperbolic secant adiabatic pulse with different RF peak power. The direction of B effective {\displaystyle...

reciprocal identity: the cotangent is the reciprocal of the tangent; the secant is the reciprocal of the cosine; the cosecant is the reciprocal of the sine...

Marseille, Monterrey, Montreal, Nanchang, Nuremberg, Rotterdam, Toronto Secant, e.g. Athens, Budapest, Busan, Cairo, Guadalajara, Kharkiv, Kyiv, Hyderabad...

(OEIS: A253671). Their exponential generating function is the sum of the secant and tangent functions. ∑ n = 0 ∞ T n x n n ! = tan ⁡ ( π 4 + x 2 ) = sec...

reciprocal rule one can find the derivative of the secant and cosecant functions. For the secant function: d d x sec ⁡ x = d d x ( 1 cos ⁡ x ) = − d...

central meridian reduces the diameter of the transverse cylinder to produce a secant projection with two standard lines, or lines of true scale, about 180 km...

value but infinite variance. The hyperbolic distribution The hyperbolic secant distribution The Johnson SU distribution The Landau distribution The Laplace...

reform efforts – started to take shape. A Spirit of Charity, published by Secant Publishing, uses Grady Memorial Hospital in Atlanta as its primary focus...

range in an underground tunnel was built in 1960 to aid development of secant ogive bullets in 1961. Joyce Hornady was killed in a plane crash on January...

1162/001152603771338779, S2CID 57559157. Plofker, Kim (1996), "An Example of the Secant Method of Iterative Approximation in a Fifteenth-Century Sanskrit Text"...

of functions with calculus Ridder's method: 3-point, exponential scaling Secant method: 2-point, 1-sided Hybrid Algorithms Alpha–beta pruning: search to...

variables, this holds if and only if the absolute value of the slopes of all secant lines are bounded by K. The set of lines of slope K passing through a point...

are factored out of the number S and the interval reduced to [1, 100], a secant line spanning the arc, or a tangent line somewhere along the arc may be...

The following is a list of integrals (anti-derivative functions) of hyperbolic functions. For a complete list of integral functions, see list of integrals...

derivatives (gradients) calculated at two points. It is a generalization to the secant method for a multidimensional problem. This update maintains the symmetry...

the function. Using this approximation would result in something like the secant method whose convergence is slower than that of Newton's method. It is important...

The derivatives in the table above are for when the range of the inverse secant is [ 0 , π ] {\textstyle [0,\pi ]} and when the range of the inverse cosecant...

shallower between East 91st and 93rd Streets, 1.1-meter-diameter (3.6 ft) secant piles did the same work at shallower depths. Earth excavation was conducted...

differentiable at the mode include the logistic distribution, hyperbolic secant distribution, and the Champernowne distribution. The Laplace distribution...

y\barwedge Y\}.} Given a conic C and a point P not on it, two distinct secant lines through P intersect C in four points. These four points determine...

section depend on the radius of the cylinder r and the angle α between the secant plane and cylinder axis, in the following way: e = cos ⁡ α , a = r sin ⁡...

the tables of sines and tangents at 15' intervals. He also introduced the secant and cosecant functions, as well studied the interrelations between the six...

The following is a list of indefinite integrals (antiderivatives) of expressions involving the inverse hyperbolic functions. For a complete list of integral...

(1945) that the values of the first column can be interpreted as the squared secant or tangent (depending on the missing digit) of the angle opposite the short...

f ( x ) − f ( y ) x − y {\displaystyle {\frac {f(x)-f(y)}{x-y}}} of the secant line through the points (x, f (x)) and (y, f (y)) of the graph of f  is...

points Δs, measured along a loxodrome, is simply the absolute value of the secant of the bearing (azimuth) times the north–south distance (except for circles...

sec'h in Wiktionary, the free dictionary. Sech may refer to: Hyperbolic secant, usually abbreviated as sech Sich or sech, an administrative and military...

Function Secant Cosecant Cotangent Logarithm Braille...

so the four points C, D, H, F lie on a circle, and (by the intersecting secants theorem) | | B F | | | | B C | | = | | B H | | | | B D | | {\displaystyle...

tunnels. All three were built using the cut and cover top down-method. Secant pile drilled shafts were used to build walls into the ground. These walls...

interval between x and y where the derivative f ′ equals the slope of the secant line: ∃ ξ ∈ ( x , y ) :   f ′ ( ξ ) = f ( x ) − f ( y ) x − y {\displaystyle...

the ray then the function is elastic at the point; if the slope of the secant is greater than the absolute value of the slope of the tangent then the...

lines can be: tangent lines, which touch the conic at a single point; secant lines, which intersect the conic at two points and pass through its interior;...

out for the minimization problems, since it is constant. Newton's method Secant method Sequential linear programming Sequential quadratic programming Jorge...

a tangent line or a secant line is mapped by the involution σ P {\displaystyle \sigma _{P}} on an exterior, tangent and secant line, respectively. b)...

grid of transversal lines made with secants between two groups of arcs that form two graduated limbs. The secants are drawn by joining the division of...

the symmetric derivative of f(x) = |x| has the image {−1, 0, 1}, but secants for f can have a wider range of slopes; for instance, on the interval [−1...

digital media removes overlapping zone. Use secant transverse Mercator projection in each zone. Define 60 secant cylinders, 1 per zone. The UTM zones was...

The multipoint symmetric secant (MSS) method is a method that aims to satisfy multiple secant equations. The recursive update formula was...

in Auntie Anne's and Eversense advertising. Also, he is a presenter of Secant Brand which is a clothing brand for Thai tomboys.[citation needed] Zee is...

points Circular segment, the region of a circle cut off from the rest by a secant or chord Spherical segment, the solid defined by cutting a sphere with a...

and their logarithms, natural and logarithmic versed sines and external secants, natural sines and tangents to every degree and minute of the quadrant...

to the curve at any point, and the average velocity as the slope of the secant line between two points with t coordinates equal to the boundaries of the...

triangle ABC is exactly three times the area bounded by the parabola and the secant line AB. Proof: Let D be the midpoint of AC. Construct a line segment JB...

of Night (2002) Peace & Memory (2003) Other Ways: Three Tales From The Secant (chapbook) (2005) Isaac Asimov's Robot Mystery series: Asimov's Mirage (2000)...

interval. Geometrically, this difference quotient measures the slope of the secant line passing through the points with coordinates (a, f(a)) and (b, f(b))...

two points to [S : T] = [0 : 1] and [S : T] = [1 : 0]. The tangent and secant lines of a rational normal curve are pairwise disjoint, except at points...

Using the intersecting chords theorem (also known as power of a point or secant tangent theorem) it is possible to calculate the radius r of a circle given...

width of the intensity, and it is 1.54 longer in the case of a hyperbolic secant squared (sech2) pulse. This numerical factor, which depends on the shape...

Springer, ISBN 978-1-4020-4559-2. Kim Plofker (1996) "An example of the secant method of iterative approximation in a fifteenth-century Sanskrit text"...

and it's in the following tune. e to the x, dy/dx, e to the x dx cosine, secant, tangent, sine, three point one four one five nine square root, cube root...

a bow and arrow, the arrow (utkrama-jyā) equivalent to the present day secant. Archery Arrow poison Bowfishing Crossbow bolt, also known as a "quarrel"...

point at x0, there exists a limit (in the projective space PRn−1) for the secant lines from x(t) to x0, as t tends to zero. The proof depends on a theorem...

at P and at Q. In general, an algebraic curve will have infinitely many secant lines, but only finitely many bitangents. Bézout's theorem implies that...

curvature is ignored). The air mass X {\displaystyle X} then is simply the secant of the zenith angle z {\displaystyle z} : X = sec z . {\displaystyle X=\sec...

tallow Latin sebum sebaceous, sebum sec-, sect-, seg- cut Latin secare secant, section, segment sed- settle, calm Latin sedare, sedatus sedative sed-...

described the constant chord theorem 1925 in the article sur deux cercles secants for the Belgian math journal Mathesis. Eight years later he published On...

intersect, intersection, intersectionality, prosect, prosector, resection, secant, sectile, section, sectional, sector, sectorial, segment, subsection, subsector...

secant plane, inverts into a circle, except that if the circle passes through O it inverts into a line. This reduces to the 2D case when the secant plane...

used along with other retaining systems (e.g. soldier piles, sheet piles, secant and tangent walls) to provide additional stability to cantilevered retaining...

{\displaystyle i+2i\sum _{n=1}^{\infty }(\cos 2nx-i\sin 2nx)} [citation needed] Secant sec ⁡ ( x ) {\displaystyle \sec(x)} 1 cos ⁡ x = ∑ n = 0 ∞ U 2 n x 2 n (...

instead of the derivative Secant method — based on linear interpolation at last two iterates False position method — secant method with ideas from the...

boat-tail, 6.19 calibers long tangent ogive) G6 (flatbase, 6 calibers long secant ogive) G7 (long 7.5° boat-tail, 10 calibers tangent ogive, preferred by...

polygons. Emch's proof considers the curves traced out by the midpoints of secant line segments to the curve, parallel to a given line. He shows that, when...

point P {\displaystyle P} , then by the spherical analog of the tangent–secant theorem, the angular distance P C {\displaystyle PC} to the desired point...

Problems (nonlinear least-squares tutorial; L-M code: analytic Jacobian secant) T. Strutz: Data Fitting and Uncertainty (A practical introduction to weighted...

{\displaystyle (r,\theta )} by the equivalent trigonometric equation involving the secant function, r = a sec 3 ⁡ θ 3 . {\displaystyle r=a\sec ^{3}{\frac {\theta...

thereby designated the central meridian. Both projections may be modified to secant forms, which means the scale has been reduced so that the cylinder slices...

as K itself is a function of crack length. The other method, namely the secant method, uses the compliance-crack length equation given by ASTM standard...

mathematician and physicist Thomas Fincke, who invented the terms 'tangent' and 'secant' and taught at the University of Copenhagen for more than 60 years. Through...

quasi-Newton methods, it may not converge for nonlinear systems. In the secant method, we replace the first derivative f′ at xn with the finite-difference...

triangle whose vertices are the parabola's two intersection points with the secant line and its intersection with a tangent line of the same slope). For the...

{\displaystyle f} cannot increase with slope larger than 1. Thus all its secants have slope | f ( x ) − f ( y ) x − y | ≤ 1 {\displaystyle {\bigg |}{\frac...

the secant line, and as the two points move around the circle, the secant line varies continuously. However, when the two points collide, the secant line...

(logistic-beta) Generalized normal Geometric stable Gumbel Holtsmark Hyperbolic secant Johnson's SU Landau Laplace Asymmetric Logistic Noncentral t Normal (Gaussian)...

and 1980s, one RPI cheer was: E to the x, dy/dx, E to the x, dx Cosine, secant, tangent, sine 3.14159 Square root, cube root, log of pi Disintegrate them...

analysis can be carried out for any pulse shape, such as the hyperbolic secant-squared (sech2) pulse profile generated by most ultrashort pulse lasers...

and practice of making maps Exsecant – Trigonometric function defined as secant minus one International Federation of Surveyors – Global organization for...

guidance for the classification of a connection in terms of its rigidity. The secant stiffness of the connection Ks is taken as an index property of connection...

Periodic functions Trigonometric functions: sine, cosine, tangent, cotangent, secant, cosecant, exsecant, excosecant, versine, coversine, vercosine, covercosine...

Arabic for "cotangent" is ظل تمام Secant sec {\displaystyle \sec } ٯا from ٯا dotless ق qāf-ʾalif; Arabic for "secant" is قاطع Cosecant csc {\displaystyle...

connect points with the same metamorphic grade are called isograds. The secant lines of isograds with the surface form lines on a geological map. Changes...

35 is the intersecting chords theorem, and proposition 36 is the tangent–secant theorem. Book IV treats four problems systematically for different polygons:...

tangent ogive) G6 (flatbase, 6 calibers long secant ogive) G7 (long 7.5° boat-tail, 10 calibers secant ogive, preferred by some manufacturers for very-low-drag...

together, we do the beaver call. e to the u, du / dx e to the x, dx Cosine, secant, tangent, sine; 3.14159 Square root, integral, mu dv Slipstick, slide rule...

if | g ∩ o | = 2 {\displaystyle |g\cap {\mathfrak {o}}|=2} the line is a secant line. (2) For any point P ∈ o {\displaystyle P\in {\mathfrak {o}}} there...

the polar of Z and Z is the pole of this straight: Through Z draw two secants through C crossing at AD and BC. Consider the tetrastim ABCD, which has...

\end{array}}\right.} It is derived from the mean value theorem, which states that a secant line, cutting the graph of a differentiable function f {\displaystyle f}...

v2)−1/2 "sine" sin φ = m (1 + m2)−1/2 sinp φ = u sinh φ = v (1 − v2)−1/2 "secant" sec φ = (1 + m2)1/2 secp φ = 1 sech φ = (1 − v2)1/2 "cosecant" csc φ =...

forward interest rates curves, and volatility smiles; Bisection, Newton, and Secant methods – used to find the roots, maxima and minima of functions (e.g. internal...

concepts of sine and cosine to other trigonometrical ratios, like tangent, secant and their inverse functions. Derived the formula: sin ⁡ α = tan ⁡ α / 1...

the point being mapped and with the projective surface being a cylinder secant to the sphere at 45°N and 45°S. Gall called the projection "stereographic"...

tallow Latin sebum sebaceous, sebum sec-, sect-, seg- cut Latin secare secant, section, segment sed- settle, calm Latin sedare, sedatus sedative sed-...

Streets, where the rock becomes shallower, 1.1-meter-diameter (3.6 ft) secant piles did the same work at shallower depths. Earth excavation was conducted...

into the modern carol. The Davies-Gilbert crest is that of a red squirrel secant gules cracking a nut and on the shoulder a cross crosslet gold. The Family...

geometry) Intersecting chords theorem (Euclidean geometry) Intersecting secants theorem (Euclidean geometry) Intersection theorem (projective geometry)...

Mathematico traditus et demonstratus... Una cum Tabulis Sinuum, Tangent & Secant, &c. (Londini, Typis R. & L.W. Leybourn, Impensis Thomæ Johnson, apud quem...

1086/356288, JSTOR 234257, S2CID 68570164 Plofker, Kim (1996), "An Example of the Secant Method of Iterative Approximation in a Fifteenth-Century Sanskrit Text"...

straight lines in the log-scale plot), excess kurtosis = 3 S: hyperbolic secant distribution, orange curve, excess kurtosis = 2 L: logistic distribution...

\\[6pt]&=a^{2}\int \sec ^{3}\theta \,d\theta .\\[6pt]\end{aligned}}} The integral of secant cubed may be evaluated using integration by parts. As a result, ∫ a 2 +...

Journal of Mathematics 100, no. 3 (1978): 615–620. doi:10.2307/2373842 "Secant functions, the Reiss relation and its converse." Transactions of the American...

The order of this convergence is approximately 1.84 as can be proved by secant method analysis. As noted in the introduction, inverse quadratic interpolation...

be increased by a factor equal to the reciprocal of the cosine (i.e. the secant) of the latitude. Mercator left no explanation of his own methods but, as...

_{r}\left({\widehat {\theta }}\right)} Other quasi-Newton methods use more elaborate secant updates to give approximation of Hessian matrix. DFP formula finds a solution...

published in the Year IX (1801) as Tables of Logarithms of sines, secants, and tangents, co-secants, co-sines, and co-tangents for the Quarter of the Circle divided...

geometry who classified the Scorza varieties. Zak, F. L. (1993), Tangents and secants of algebraic varieties, Translations of Mathematical Monographs, vol. 127...

(logistic-beta) Generalized normal Geometric stable Gumbel Holtsmark Hyperbolic secant Johnson's SU Landau Laplace Asymmetric Logistic Noncentral t Normal (Gaussian)...

It can be derived from the mean value theorem by considering the secant of the graph of the function x ↦ x ⋅ ln ⁡ x {\displaystyle x\mapsto x\cdot...

)=\operatorname {sech} (\xi )e^{i\zeta /2}} where sech is the hyperbolic secant. It still depends on z, but only in phase, so the shape of the field will...

Juvenile leaves, whole ovate or elliptical; mature bisector leaves up to 11-secant and fan-shaped; the degree of necrosis of mature leaves depends on the age...

architects were Hough, Stansbury and Associates, and the general contractor was Secant Construction. Construction started on March 17, 1969. During the design...

, where (En) is the sequence of "up/down" numbers—also known as secant or tangent numbers. The exponential generating function of a sequence (an)...

of the output frequency, ω 2 {\displaystyle \omega _{2}} and the squared secant of the reflection angle, sec 2 ⁡ β {\displaystyle \sec ^{2}\beta } . Other...

backpropagation); quasi-Newton (Broyden–Fletcher–Goldfarb–Shanno, one step secant); Levenberg–Marquardt and conjugate gradient (Fletcher–Reeves update, Polak–Ribiére...

{1}{2}}\left(cx-{\frac {ct}{1-c^{2}}}+\delta \right),} where sech is the hyperbolic secant function and δ {\displaystyle \delta } is a phase shift (by an initial horizontal...

over the roller compacted concrete section, and constructing a concrete secant cutoff wall for the emergency spillway. The cost estimate at this point...

Intersecting chords theorem Intersecting secants theorem Law of cosines Pons asinorum Pythagorean theorem Tangent-secant theorem Thales's theorem Theorem of...

or note) Engineers Cheer: E to the x, d-y,d-x; E to the y, d-y; Cosine, Secant, Tangent, Sine; 3 point 1,4,1,5,9—Come on Harvard, Give 'em the digit!!...

interpolation One-to-one Orthogonal Polar coordinate system Pole Real axis Secant line Circular sector or "sector" Semiperimeter Symmetry Shape Pattern Crystal...

{\displaystyle \alpha ={\tfrac {\pi }{2}},y_{0}=0} ) it is the hyperbolic secant distribution. In the special case λ = 1 {\displaystyle \lambda =1} it is...

logarithmic tables from 1 to 10,860, along with tables for sines, tangents, and secants. The book, which he prefaced with an introduction to decimal and logarithmic...

a smooth projective variety, of maximal dimension among those whose k–1 secant varieties are not the whole of projective space. Scorza varieties were introduced...

Catalisano, M. V.; Geramita, A. V.; Gimigliano, A. (2002). "Ranks of tensors, secant varieties of Segre varieties and fat points". Linear Algebra and Its Applications...

Kingdom" by Doris Piserchia "Continuing Westward" by Gene Wolfe "Arcs and Secants (Orbit 12)" essay, uncredited Volume 13 was published in 1974. Table of...

Y, both converging to the same point y in Y, such that the sequence of secant lines Lm between xm and ym converges to a line L as m tends to infinity...

(logistic-beta) Generalized normal Geometric stable Gumbel Holtsmark Hyperbolic secant Johnson's SU Landau Laplace Asymmetric Logistic Noncentral t Normal (Gaussian)...

the law of addition (of points with real coordinates) by the tangent and secant method can be applied to E. The explicit formulae show that the sum of two...

that the "standard" Root-finding algorithms—such as Newton's method (the secant method) or bisection—are very easily applied to the calibration. Relatedly...

one rational point it has infinitely many. Chapter six covers the use of secant lines to generate infinitely many points on a cubic plane curve, considered...

descent direction. Grid search Learning rate Pattern search (optimization) Secant method Nemirovsky and Ben-Tal (2023). "Optimization III: Convex Optimization"...

outreach programs. INBT counts Becton Dickinson, MedImmune, Northrop Grumman, Secant Medical, and Under Armour among its corporate partners, and Wirtz has previously...

where sech {\displaystyle \operatorname {sech} } stands for the hyperbolic secant and a {\displaystyle a} is an arbitrary constant. This describes a right-moving...

constant of integration. A similar method is used to find the integral of secant cubed. Two other well-known examples are when integration by parts is applied...

equal, these three parallel lines delimit two equal segments on every other secant line, and in particular on their common perpendicular SE. Thus SD' = D'E...

can be viewed as a quasi-Newton method, although it does not satisfy the secant equation. Although the method involves subgradients, it is distinct from...

taken by finding the secant line. 2) When y ′ {\displaystyle y'} is concave down: the lower bound approximation can be the secant line. The upper bound...

{x}{2}}\\[6pt]&={\frac {2t^{2}}{2t}}=t\\[6pt]&=\tan {\tfrac {x}{2}}\end{aligned}}} The secant integral may be evaluated in a similar manner. We wish to evaluate the integral:...

distribution, the Laplace distribution, the chi distribution, the hyperbolic secant distribution, the Wishart distribution, if n ≥ p + 1, the Dirichlet distribution...

additional three diagonal points. Given a point Z not on conic C, draw two secants from Z through C crossing at points A, B, D, and E. Then these four points...

concepts of sine and cosine to other trigonometrical ratios, like tangent, secant, and their inverse functions. Derived the formulae: sin ⁡ α = tan ⁡ α /...

coefficient. Form factor can be minimized by: bullet nose design incorporating a secant ogive, tangent ogive, Von Kármán ogive or Sears-Haack profile the use of...

chart, the world lines of the Minkowski observers appear as hyperbolic secant curves asymptotic to the coordinate plane x = 0 {\displaystyle x=0} . Specifically...

Sinuum, Tangentium, & Secantium [Forming Tables of Sines, Tangents, & Secants] Demonstratio Quadrantis Horometrici [Demonstration of a Horometrical Quadrant]...

other point A on the circle, let N be the point of intersection of the secant line OA and the tangent line at M. Let P be the point of intersection of...

paraboloid, and the area of a region bounded by a parabola and one of its secant lines. (For explicit details, see Archimedes' use of infinitesimals.) When...

significantly improved characteristics compared to the tangent ogive or even the secant ogive often used for very-low-drag bullets and artillery shells. Only after...

introduced the modern names of the trigonometric functions tangent and secant. In 1590, he became professor of mathematics at the University of Copenhagen...

contradiction), parallel lines, triangles (congruence and similarity), circles (secants, tangents, chords, central angles, and inscribed angles), the Pythagorean...

ivory with a brass hinge. This side has scales for lines of lines (L), secants (S), chords (C), and polygons (POL), along with a scale of 10ths of inches...

initial part of the curve, another is to select a region defined by the secant to the curve. If the test material is a thermoplastic a yield zone may be...

practical use of plane trigonometry in using the sine, the tangent, and the secant were known. Yi Xing was famed for his genius, and was known to have calculated...

elasto(visco)plasticity by proposing a critique of previous models and a secant formulation of the self-coherent model for non-linear behaviours. He then...

a\operatorname {arsech} {\frac {x}{a}},} where arsech is the inverse hyperbolic secant function. The essential property of the tractrix is constancy of the distance...

Direct solar radiation as a function of secant of solar zenith angle at Niamey, Niger. December 24, 2006. From ARM data, from an MFRSR instrument. Wavelength...

not necessary that q {\displaystyle q} be an integer. For example, the secant method, when converging to a regular, simple root, has an order of the golden...

with a table of natural sines to fifteen places and the tangents and secants for the same to ten places, all of which were printed at Gouda in 1631...

analogous to the construction of the tangent to a curve as a limit of the secant lines through pairs of distinct points on C approaching P. The osculating...

geometry the lines A1A2, B1B2 are parallel to the line of centers (both for secant lines and the bitangent lines) and thus have no intersection. An external...

theorems on circles, definitions of the centers of a triangle, the tangent-secant theorem, the law of sines and the law of cosines. 300 BC: Euclid's Optics...

{\theta }{2}}\right)}}\approx {\frac {8b}{a\theta }}} In general, when the secant starts at angle Θ the slimness factor can be approximated by: 2 sin ⁡ θ...

tangent, cotangent, secant, or cosecant) the hyperbolic sine and cosine functions (but not hyperbolic tangent, cotangent, secant, or cosecant) exponential...

distribution Hyper-Graeco-Latin square design Hyperbolic distribution Hyperbolic secant distribution Hypergeometric distribution Hyperparameter (Bayesian statistics)...

Nondestructive Testing in Civil Engineering CROSSHOLE SONIC LOGGING OF SECANT PILE WALLS Hadjuk, Edward L.; Ledford, D.L.; Christopher, W.R. (2004). "PVC...

points wins the robber. Leva A trick Robber A game consisting of 13 points Secant A few cards in the same suit, starting from Ace. Singleton A hand containing...

mathematical library. He provided tables of logarithms, sines, tangents, and secants, a two-page list of books, and an index of the articles in both volumes...

triangle topics) Sine, Cosine, Tangent (trigonometric function), Cotangent, Secant (trigonometric function), Cosecant – see Trigonometric function atan2 cis—see...

set of solutions to a two-variable quadratic equation modulo 7) has 28 secant lines through pairs of its points, 8 tangent lines through a single point...

then showed in 1995 that Ponte Castañeda's (1991) variational method is a secant method using the second moment by phase of local fields. In 1994, H. Moulinec...

explanation of the rainbow. Barrow was the first to find the integral of the secant function in closed form, thereby proving a conjecture that was well-known...

inequality, there are two intersection points; in this case the line is called a secant line of the circle, and the line segment connecting the intersection points...

where sech {\displaystyle \operatorname {sech} } represents the hyperbolic secant function and α {\displaystyle \alpha } , β {\displaystyle \beta } are parameters...

secant variety The secant variety to a projective variety V ⊂ P r {\displaystyle V\subset \mathbb {P} ^{r}} is the closure of the union of all secant...

_{k=1}^{n}|PQ_{k}|} Here sec ⁡ ( x ) {\displaystyle \sec(x)} denotes the secant function. For the triangle case n = 3 {\displaystyle n=3} the inequality...

passant), if |l ∩ Ω| = 1 a tangent line and if |l ∩ Ω| = 2 the line is a secant line. For finite planes (i.e. the set of points is finite) we have a more...

and their logarithms, natural and logarithmic versed sines and external secants, natural sines and tangents to every degree and minute of the quadrant...

distribution generated by the generalized[clarification needed] hyperbolic secant distribution (NEF-GHS) has[citation needed] V ( μ ) = μ 2 / n + n {\displaystyle...

tangents and cotangents. He discovered their reciprocal functions, the secant and cosecant, and produced the first table of cosecants for each degree...

can be embedded in P 3 {\displaystyle \mathbb {P} ^{3}} (for a proof, see Secant variety#Examples). Conversely, any smooth closed curve in P 2 {\displaystyle...

in which he calculated the natural logarithms of sines, tangents, and secants. He then diverged from Napier's methods in order to ensure all of the logarithms...

Birds, etc. The inherent 'obliterative' power of markings. 'Ruptive' and 'Secant' patterns Birds, etc. Special functions of markings Birds. Masking of bill...

distance–time graph as speed—and the geometric notion of slope (coefficient of a secant line approaching the tangent on a curve). Only after these concrete and...

The Outliers, a Wild West novel set on the East Coast, was published by Secant Publishing of Salisbury, MD in 2021. John Francis Clemons, Jr. Obituary...

all his examples for the method of tangents? Why did he never mention the secant, with which he in fact operated? I do not know." Katz, Schaps, Shnider (2013)...

points obtained by cutting four lines of a pencil of lines with different secants. In this way, he established the harmonic properties of the complete quadrilateral...

with a table of natural sines to fifteen places, and the tangents and secants for the same to ten places; all of which were printed at Gouda in 1631...

To protect the foundation of nearby buildings, an approximately 500-foot secant wall was added to construction plans. This required new equipment, different...

how to use the tables and gives worked examples for sines tangents and secants. He also explains how to get logarithms of numbers directly by using the...

subcontaining them. The join of several subvarieties is defined in a similar way. Secant variety Fulton 1998, Example 8.4.5. Dickenstein, Alicia; Schreyer, Frank-Olaf;...

angles' sines and cosines rational, this implies that the tangent, cotangent, secant, and cosecant of each interior angle is either rational or infinite. Half...

close to zero, making derivative-based methods such as Newton-Raphson, secant, or regula falsi numerically unstable. In that case, the bisection method...

curve, surface, or other set in four distinct points. It is analogous to a secant line, a line that intersects a curve or surface in two points; and a trisecant...

depending on the pulse shape. For ultrashort-pulse lasers, a hyperbolic-secant-squared (sech2) pulse shape is often assumed, giving a time–bandwidth product...

of quasi-Newton and multisecant methods, that generalize the well known secant method, for the solution of the non-linear equation g ( x ) = 0 {\displaystyle...

publishes Logarithmotechnia, 1668 - James Gregory computes the integral of the secant function, 1669 - Newton invents a Newton's method for the computation of...

theorem of calculus I and II; Mean value theorem, average change, and secants; Basic differential equation behavior (slope fields); Euler's method; Other...

Specifically, they are the inverses of the sine, cosine, tangent, cotangent, secant, and cosecant functions, and are used to obtain an angle from any of the...

and that of the area of a region bounded by a parabola and one of its secant lines. For explicit details of the method used, see Archimedes' use of infinitesimals...

[1] (now mostly used in rugby football) Sea-Tac Seattle-Tacoma sec second secant Semper Fi! Semper Fidelis sig significant (figures) signal (Internet) signature...

Hyainailouridae is diagnosed in the upper dentition as having high and secant-shaped paraconid cusps and cone-shaped metacone and paracone cusps on the...

25 °C at 20% of yield stress load for 60 minutes (ISO 899-1); and 1 percent secant flexural modulus > 700 MPa at 25 °C (ASTM D790). Novel polymeric alloy has...

and 1980s, one RPI cheer was: E to the x, dy/dx, E to the x, dx Cosine, secant, tangent, sine 3.14159 Square root, cube root, log of pi Disintegrate them...

Common chord may refer to: Common chord (geometry), the secant line that joins the intersection points of two curves Common chord (music), a chord shared...

{\displaystyle 5.3^{\circ }} ; he refers to this as the optical equation. The secant of this is 1.00429 {\displaystyle 1.00429} , which represented an accurate...

adaptive dynamic directive operative fractional lion clustering and hyperbolic secant-based decision tree classifier". Journal of Experimental & Theoretical Artificial...

Guo-Niu Han: Foata, Dominique; Han, Guo-Niu (2010). "The q-tangent and q-secant numbers via basic Eulerian polynomials" (PDF). Proc. Amer. Math. Soc. 138...

and the tangent. Their reciprocals are respectively the cosecant, the secant, and the cotangent, which are less used. Each of these six trigonometric...

{\mathcal {Q}}|=1} or g ∩ Q = g {\displaystyle g\cap {\mathcal {Q}}=g} , and secant to Q {\displaystyle {\mathcal {Q}}} if | g ∩ Q | = 2 {\displaystyle |g\cap...

latitude of 75°. This was in fact a table of values of the integral of the secant function, and was the essential step needed to make practical both the making...

trigonometrical tables (copied from Clavius) of the natural sines, tangents, and secants of all angles in the first quadrant; the difference between consecutive...

(logistic-beta) Generalized normal Geometric stable Gumbel Holtsmark Hyperbolic secant Johnson's SU Landau Laplace Asymmetric Logistic Noncentral t Normal (Gaussian)...

[1] (now mostly used in rugby football) Sea-Tac Seattle-Tacoma sec second secant Semper Fi! Semper Fidelis sig significant (figures) signal (Internet) signature...

not be extended to a larger arc (thus, every point not on the arc is on a secant line of the arc–a line meeting the arc in two points.) Theorem: Let K be...

the inherent "geek" status of the students at a technical high school. Secant, tangent, cosine, sine Three point one four, one five nine Slide rule, slide...

(Modern Geometry for the Science Sections of High Schools. Fascicle I: Secants; Fascicle II: Harmonic Division, Harmonic Pencil, Power with respect to...

Fincke's Geometria rotundi is published, introducing the terms tangent and secant for trigonometric functions. Johann Thomas Freigius' Quaestiones geometricae...

projective space meeting a variety in n+1 points. 2.  A secant variety is the union of the secants of a variety. second kind All residues at poles are zero...

синусов, тангенсов и секансов (Tables of logarithms, sines, tangents, and secants[broken anchor]). Legend has it that Leonty Magnitsky was nicknamed Magnitsky...

it until the railway was opened. The tunnel walls were constructed using secant piles. The close proximity of the tunnel to the Mitchell Freeway's bridge...

determined by plotting or calculation using tables of sines, tangents and secants. In the 1590s, Hues continued to have dealings with Raleigh – he was one...

θ {\displaystyle W(0)=e_{S}e^{-\tau (0,\infty )\sec \theta }} where the secant theta term accounts for the dependence of optical path length on the vertical...