Search Results: Superdiagonal


Main diagonal
Sabtu, 2025-06-14 13:47:54

A diagonal matrix is one whose off-diagonal entries are all zero. A superdiagonal entry is one that is directly above and to the right of the main diagonal...

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Jordan normal form
Jumat, 2026-05-01 01:12:49

off-diagonal entry equal to 1, immediately above the main diagonal (on the superdiagonal), and with identical diagonal entries to the left and below them. Let...

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Shift matrix
Jumat, 2026-03-13 10:50:41

matrix with ones only on the superdiagonal or subdiagonal, and zeroes elsewhere. A shift matrix U with ones on the superdiagonal is an upper shift matrix...

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Hessenberg matrix
Minggu, 2026-05-03 00:19:36

subdiagonal, and a lower Hessenberg matrix has zero entries above the first superdiagonal. They are named after Karl Hessenberg. A Hessenberg decomposition is...

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Generalized eigenvector
Minggu, 2025-08-17 06:40:27

diagonal. Hence, this matrix is not diagonalizable. Since there is one superdiagonal entry, there will be one generalized eigenvector of rank greater than...

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Tridiagonal matrix algorithm
Senin, 2026-04-27 04:01:06

.., X - 1] b[] = main diagonal, indexed from [0, ..., X - 1] c[] = superdiagonal, indexed from [0, ..., X - 2] scratch[] = scratch space of length X...

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Operator norm
Senin, 2025-09-15 03:26:37

finite-dimensional case. Because there are non-zero entries on the superdiagonal, equality may be violated. The quasinilpotent operators is one class...

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Jordan matrix
Rabu, 2026-06-03 23:15:17

diagonal, which is filled with λ {\displaystyle \lambda } and for the superdiagonal, which is composed of ones. Any block diagonal matrix whose blocks are...

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Nilpotent matrix
Selasa, 2025-04-15 04:06:32

\\0&0&0&\ldots &1\\0&0&0&\ldots &0\end{bmatrix}}.} This matrix has 1s along the superdiagonal and 0s everywhere else. As a linear transformation, the shift matrix...

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Tridiagonal matrix
Senin, 2026-04-27 04:00:56

diagonal elements, and two of length n − 1 containing the subdiagonal and superdiagonal elements. The discretization in space of the one-dimensional diffusion...

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Diagonalizable matrix
Minggu, 2026-05-31 21:02:11

eigenvalues on the leading diagonal, and either ones or zeroes on the superdiagonal – known as Jordan normal form. Some matrices are not diagonalizable...

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H-matrix
Rabu, 2024-11-06 05:57:31

zero entries below the first subdiagonal, zero entries above the first superdiagonal, or both Hessian matrix, a square matrix of second-order partial derivatives...

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Nilpotent operator
Rabu, 2024-05-22 03:14:53

only if T is similar to a matrix whose only nonzero entries are on the superdiagonal(this fact is used to prove the existence of Jordan canonical form)....

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Pascal matrix
Jumat, 2026-01-02 09:08:52

constructed by taking the matrix exponential of a special subdiagonal or superdiagonal matrix. The example below constructs a 7 × 7 Pascal matrix, but the...

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Lanczos algorithm
Kamis, 2026-04-30 14:19:19

subdiagonal is real by construction, the same is true for its first superdiagonal. Therefore, H {\displaystyle H} is a real, symmetric matrix—the matrix...

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List of named matrices
Kamis, 2026-02-12 00:53:40

diagonalised matrix, where the only non-zero elements appear on the lead and superdiagonals. Linear independence — two or more vectors are linearly independent...

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Complexification (Lie group)
Minggu, 2026-05-17 09:57:33

filtration by normal subgroups N+(k) with zeros in the first k − 1 superdiagonals and the successive quotients are Abelian. Defining Nσ(k) and Mσ(k) to...

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Uniform distribution on a Stiefel manifold
Senin, 2025-08-11 03:40:37

{\displaystyle X=(x_{1},\dots ,x_{p})} . The exterior product of the superdiagonal elements defines a differential form ( X ′ d X ) := ⋀ 1 ≤ i < j ≤ p...

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P-group
Rabu, 2025-09-24 07:29:44

triangular matrices with 1s one the diagonal and 0s on the first m−1 superdiagonals. The group U1 has order pn·(n−1)/2, nilpotency class n, and exponent...

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Weyr canonical form
Sabtu, 2025-09-20 01:06:49

{\displaystyle W_{ii}} in the main block are eigenvalues. The first superdiagonal blocks W i , i + 1 {\displaystyle W_{i,i+1}} are full column rank n...

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Eigenvalue algorithm
Senin, 2026-03-30 22:21:20

zero. A lower Hessenberg matrix is one for which all entries above the superdiagonal are zero. Matrices that are both upper and lower Hessenberg are tridiagonal...

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Lehmer matrix
Selasa, 2025-06-17 14:04:11

The inverse of a Lehmer matrix is a tridiagonal matrix, where the superdiagonal and subdiagonal have strictly negative entries. Consider again the n×n...

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Packed storage matrix
Selasa, 2025-04-15 04:06:46

matrix: real :: A(m,n) ! a banded matrix with kl subdiagonals and ku superdiagonals real :: AP(-kl:ku,n) ! packed storage for A ! the band of A is stored...

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