• In linear algebra, a tridiagonal matrix is a band matrix that has nonzero elements only on the main diagonal, the subdiagonal/lower diagonal (the first...
    18 KB (2,704 words) - 06:08, 29 August 2024
  • In numerical linear algebra, the tridiagonal matrix algorithm, also known as the Thomas algorithm (named after Llewellyn Thomas), is a simplified form...
    20 KB (4,095 words) - 21:00, 8 April 2024
  • Thumbnail for Block matrix
    block tridiagonal matrix as coefficient matrix. The Thomas algorithm, used for efficient solution of equation systems involving a tridiagonal matrix can...
    29 KB (4,768 words) - 15:57, 12 August 2024
  • In linear algebra, a Toeplitz matrix or diagonal-constant matrix, named after Otto Toeplitz, is a matrix in which each descending diagonal from left to...
    14 KB (2,058 words) - 11:59, 16 October 2024
  • |i-j|>k} . A band matrix with k1 = k2 = 0 is a diagonal matrix, with bandwidth 0. A band matrix with k1 = k2 = 1 is a tridiagonal matrix, with bandwidth...
    8 KB (1,170 words) - 13:59, 5 September 2024
  • also known as Jacobi matrix, is a symmetric linear operator acting on sequences which is given by an infinite tridiagonal matrix. It is commonly used...
    5 KB (791 words) - 19:00, 14 June 2024
  • Thumbnail for Sparse matrix
    1). For example, a tridiagonal matrix has lower bandwidth 1 and upper bandwidth 1. As another example, the following sparse matrix has lower and upper...
    25 KB (3,200 words) - 22:21, 26 September 2024
  • tridiagonal and symmetric matrix is formed. In this example, also from Burden and Faires, the given matrix is transformed to the similar tridiagonal matrix...
    15 KB (2,279 words) - 07:23, 22 August 2024
  • Multiplication operator Tridiagonal matrix Toeplitz matrix Toral Lie algebra Circulant matrix Proof: given the elementary matrix e i j {\displaystyle e_{ij}}...
    17 KB (2,414 words) - 06:02, 13 November 2024
  • elimination QR decomposition Cholesky decomposition Hessenberg matrix Tridiagonal matrix Invariant subspace Axler, Sheldon Jay (1997). Linear Algebra Done...
    21 KB (3,152 words) - 10:34, 12 November 2024
  • continuant is a multivariate polynomial representing the determinant of a tridiagonal matrix and having applications in continued fractions. The n-th continuant...
    5 KB (1,134 words) - 15:35, 11 November 2024
  • upper Hessenberg. A matrix that is both upper Hessenberg and lower Hessenberg is a tridiagonal matrix, of which the Jacobi matrix is an important example...
    11 KB (1,958 words) - 05:08, 6 August 2024
  • of exact inertia and inclusions of eigenvalues (singular values) of tridiagonal (bidiagonal) matrices". Linear Algebra and Its Applications. 422 (1):...
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  • QR algorithm. If the original matrix is symmetric, then the upper Hessenberg matrix is also symmetric and thus tridiagonal, and so are all the Ak. In this...
    19 KB (2,651 words) - 12:49, 29 October 2024
  • spaces or smooth manifolds Jacobi operator (Jacobi matrix), a tridiagonal symmetric matrix appearing in the theory of orthogonal polynomials This disambiguation...
    465 bytes (66 words) - 18:30, 28 December 2016
  • Thumbnail for List of named matrices
    matrices used in mathematics, science and engineering. A matrix (plural matrices, or less commonly matrixes) is a rectangular array of numbers called entries...
    32 KB (1,336 words) - 16:53, 5 November 2024
  • linear diffusion, the algebraic problem is tridiagonal and may be efficiently solved with the tridiagonal matrix algorithm, which gives a fast O ( N ) {\displaystyle...
    21 KB (3,803 words) - 17:37, 26 June 2024
  • symmetric tridiagonal matrix. The QR algorithm is used to find the eigenvalues of this matrix. By taking advantage of the symmetric tridiagonal structure...
    13 KB (1,616 words) - 10:15, 4 November 2024
  • matrix may be needed to transform the eigenvectors of the Hessenberg matrix back into eigenvectors of the original matrix. For symmetric tridiagonal eigenvalue...
    40 KB (4,865 words) - 17:55, 18 August 2024
  • Thumbnail for LAPACK
    value decomposition. It also includes routines to implement the associated matrix factorizations such as LU, QR, Cholesky and Schur decomposition. LAPACK...
    14 KB (1,105 words) - 06:00, 28 September 2024
  • divide-and-conquer begins with a reduction to tridiagonal form. For an m × m {\displaystyle m\times m} matrix, the standard method for this, via Householder...
    10 KB (1,856 words) - 12:10, 24 June 2024
  • Thumbnail for Gaussian quadrature
    &0&1\end{bmatrix}}^{\mathsf {T}}} , and J is the following tridiagonal matrix, called the Jacobi matrix: J = [ a 0 1 0 ⋯ 0 b 1 a 1 1 ⋱ ⋮ 0 b 2 ⋱ ⋱ 0 ⋮ ⋱ ⋱ a...
    42 KB (6,792 words) - 18:26, 15 October 2024
  • analysis: Sparse matrix Band matrix Bidiagonal matrix Tridiagonal matrix Pentadiagonal matrix Skyline matrix Circulant matrix Triangular matrix Diagonally dominant...
    70 KB (8,336 words) - 05:14, 24 June 2024
  • and which represents a symmetric, tridiagonal matrix. For an equidistant grid one gets a Toeplitz matrix. The 2D case shows all the characteristics...
    21 KB (3,589 words) - 13:43, 14 October 2024
  • m {\displaystyle n\times m} matrix V {\displaystyle V} with orthonormal columns and a tridiagonal real symmetric matrix T = V ∗ A V {\displaystyle T=V^{*}AV}...
    43 KB (8,287 words) - 09:57, 15 May 2024
  • Karmarkar's algorithm Particle swarm optimization Stone method Successive over-relaxation Symbolic Cholesky decomposition Tridiagonal matrix algorithm...
    2 KB (229 words) - 12:32, 26 August 2024
  • Triangular matrix Tridiagonal matrix Block matrix Sparse matrix Hessenberg matrix Hessian matrix Vandermonde matrix Stochastic matrix Toeplitz matrix Circulant...
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  • MDMA analogue Time-division multiple access, a channel-access scheme Tridiagonal matrix algorithm, a mathematical system Digital AMPS (IS-54 and IS-136),...
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  • off-tridiagonal cell individually in a medium to large matrix. However, if Jacobian rotations are repeatedly performed on the above-tridiagonal cell...
    15 KB (3,153 words) - 00:05, 19 November 2024
  • diagonalized distance matrix which is easily resolved by implementing the Householder tridiagonal-QL algorithm that takes in a distance matrix and returns the...
    31 KB (4,098 words) - 23:39, 19 November 2024