Search Results: Superdiagonal
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Main diagonal
Sabtu, 2025-06-14 13:47:54A 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...
Click to read more »Jordan normal form
Jumat, 2026-05-01 01:12:49off-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...
Click to read more »Shift matrix
Jumat, 2026-03-13 10:50:41matrix 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...
Click to read more »Hessenberg matrix
Minggu, 2026-05-03 00:19:36subdiagonal, and a lower Hessenberg matrix has zero entries above the first superdiagonal. They are named after Karl Hessenberg. A Hessenberg decomposition is...
Click to read more »Generalized eigenvector
Minggu, 2025-08-17 06:40:27diagonal. Hence, this matrix is not diagonalizable. Since there is one superdiagonal entry, there will be one generalized eigenvector of rank greater than...
Click to read more »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...
Click to read more »Operator norm
Senin, 2025-09-15 03:26:37finite-dimensional case. Because there are non-zero entries on the superdiagonal, equality may be violated. The quasinilpotent operators is one class...
Click to read more »Jordan matrix
Rabu, 2026-06-03 23:15:17diagonal, which is filled with λ {\displaystyle \lambda } and for the superdiagonal, which is composed of ones. Any block diagonal matrix whose blocks are...
Click to read more »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...
Click to read more »Tridiagonal matrix
Senin, 2026-04-27 04:00:56diagonal elements, and two of length n − 1 containing the subdiagonal and superdiagonal elements. The discretization in space of the one-dimensional diffusion...
Click to read more »Diagonalizable matrix
Minggu, 2026-05-31 21:02:11eigenvalues on the leading diagonal, and either ones or zeroes on the superdiagonal – known as Jordan normal form. Some matrices are not diagonalizable...
Click to read more »H-matrix
Rabu, 2024-11-06 05:57:31zero entries below the first subdiagonal, zero entries above the first superdiagonal, or both Hessian matrix, a square matrix of second-order partial derivatives...
Click to read more »Nilpotent operator
Rabu, 2024-05-22 03:14:53only 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)....
Click to read more »Pascal matrix
Jumat, 2026-01-02 09:08:52constructed by taking the matrix exponential of a special subdiagonal or superdiagonal matrix. The example below constructs a 7 × 7 Pascal matrix, but the...
Click to read more »Lanczos algorithm
Kamis, 2026-04-30 14:19:19subdiagonal is real by construction, the same is true for its first superdiagonal. Therefore, H {\displaystyle H} is a real, symmetric matrix—the matrix...
Click to read more »List of named matrices
Kamis, 2026-02-12 00:53:40diagonalised matrix, where the only non-zero elements appear on the lead and superdiagonals. Linear independence — two or more vectors are linearly independent...
Click to read more »Complexification (Lie group)
Minggu, 2026-05-17 09:57:33filtration 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...
Click to read more »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...
Click to read more »P-group
Rabu, 2025-09-24 07:29:44triangular 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...
Click to read more »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...
Click to read more »Eigenvalue algorithm
Senin, 2026-03-30 22:21:20zero. 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...
Click to read more »Lehmer matrix
Selasa, 2025-06-17 14:04:11The inverse of a Lehmer matrix is a tridiagonal matrix, where the superdiagonal and subdiagonal have strictly negative entries. Consider again the n×n...
Click to read more »Packed storage matrix
Selasa, 2025-04-15 04:06:46matrix: 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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