• mathematics, a generalized permutation matrix (or monomial matrix) is a matrix with the same nonzero pattern as a permutation matrix, i.e. there is exactly...
    6 KB (893 words) - 07:04, 25 June 2022
  • In mathematics, particularly in matrix theory, a permutation matrix is a square binary matrix that has exactly one entry of 1 in each row and each column...
    17 KB (3,014 words) - 20:44, 16 May 2024
  • 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...
    31 KB (1,336 words) - 00:12, 30 November 2023
  • sum of permutations Enumerations of specific permutation classes Factorial Falling factorial Permutation matrix Generalized permutation matrix Inversion...
    4 KB (280 words) - 16:27, 2 August 2022
  • reflection matrix with θ = 90° generates a reflection about the line at 45° given by y = x and therefore exchanges x and y; it is a permutation matrix, with...
    36 KB (4,802 words) - 16:45, 22 May 2024
  • rotation matrix is a transformation matrix that is used to perform a rotation in Euclidean space. For example, using the convention below, the matrix R = [...
    99 KB (15,019 words) - 04:42, 13 May 2024
  • Thumbnail for Matrix (mathematics)
    can be described in matrix form, with a mass matrix multiplying a generalized velocity to give the kinetic term, and a force matrix multiplying a displacement...
    105 KB (13,048 words) - 22:10, 26 May 2024
  • epsilon represents a collection of numbers; defined from the sign of a permutation of the natural numbers 1, 2, ..., n, for some positive integer n. It...
    30 KB (5,171 words) - 07:02, 9 May 2024
  • Generalizing the above to higher dimensions, the determinant of an n × n {\displaystyle n\times n} matrix is an expression involving permutations and...
    89 KB (14,131 words) - 13:35, 28 May 2024
  • The trace of a Hermitian matrix is real, because the elements on the diagonal are real. The trace of a permutation matrix is the number of fixed points...
    36 KB (5,364 words) - 15:13, 20 March 2024
  • Thumbnail for Covariance matrix
    covariance matrix (also known as auto-covariance matrix, dispersion matrix, variance matrix, or variance–covariance matrix) is a square matrix giving the...
    34 KB (5,418 words) - 23:44, 30 May 2024
  • method for determining whether a given permutation is even or odd is to construct the corresponding permutation matrix and compute its determinant. The value...
    18 KB (2,875 words) - 08:03, 9 May 2024
  • In mathematics, a triangular matrix is a special kind of square matrix. A square matrix is called lower triangular if all the entries above the main diagonal...
    21 KB (3,152 words) - 16:41, 28 April 2024
  • theory, the Laplacian matrix, also called the graph Laplacian, admittance matrix, Kirchhoff matrix or discrete Laplacian, is a matrix representation of a...
    43 KB (4,940 words) - 17:25, 24 March 2024
  • {\displaystyle 1/p!} in § Properties of the generalized Kronecker delta below disappearing. In terms of the indices, the generalized Kronecker delta is defined as:...
    22 KB (4,056 words) - 21:53, 29 December 2023
  • a single-matrix SVD. The generalized singular value decomposition (GSVD) is a matrix decomposition on a pair of matrices which generalizes the singular...
    22 KB (4,126 words) - 06:55, 17 December 2023
  • diagonalizable. A matrix that is not diagonalizable is said to be defective. For defective matrices, the notion of eigenvectors generalizes to generalized eigenvectors...
    101 KB (13,539 words) - 03:39, 8 April 2024
  • Thumbnail for Double factorial
    }+\left[{\begin{matrix}n-1\\k-1\end{matrix}}\right]_{\alpha }+\delta _{n,0}\delta _{k,0}\,.} These generalized α-factorial coefficients then generate...
    28 KB (4,265 words) - 06:57, 18 May 2024
  • In statistics, a generalized linear model (GLM) is a flexible generalization of ordinary linear regression. The GLM generalizes linear regression by allowing...
    31 KB (4,224 words) - 09:57, 24 April 2024
  • Stirling numbers of the first kind (category Permutations)
    first kind arise in the study of permutations. In particular, the Stirling numbers of the first kind count permutations according to their number of cycles...
    37 KB (7,183 words) - 16:05, 3 June 2024
  • matrix, binary matrix, relation matrix, Boolean matrix, or (0, 1)-matrix is a matrix with entries from the Boolean domain B = {0, 1}. Such a matrix can...
    13 KB (1,866 words) - 06:59, 31 May 2024
  • ISBN 0-12-471252-5. McCullagh, P.; Nelder, J. A. (1989), "An outline of generalized linear models", Generalized Linear Models, Springer US, pp. 21–47, doi:10.1007/978-1-4899-3242-6_2...
    11 KB (1,192 words) - 07:42, 24 May 2024
  • In mathematics, matrix calculus is a specialized notation for doing multivariable calculus, especially over spaces of matrices. It collects the various...
    85 KB (7,036 words) - 06:55, 11 May 2024
  • least if B is a non-negative monomial matrix. In this simple case it will just correspond to a scaling and a permutation. More control over the non-uniqueness...
    67 KB (7,781 words) - 03:47, 1 April 2024
  • triangular, and P is a permutation matrix. Existence: An LUP decomposition exists for any square matrix A. When P is an identity matrix, the LUP decomposition...
    26 KB (3,580 words) - 17:05, 12 March 2024
  • the former context. A permutation matrix is an alternating sign matrix, and an alternating sign matrix is a permutation matrix if and only if no entry...
    6 KB (913 words) - 07:55, 31 May 2024
  • semistandard tableau for Q as well. The two-line array (or generalized permutation) wA corresponding to a matrix A is defined as w A = ( i 1 i 2 … i m j 1 j 2 …...
    14 KB (2,102 words) - 17:06, 21 February 2024
  • fact just a subgroup of a permutation group (up to isomorphism). The set of all bijective functions f: X → X (called permutations) forms a group with respect...
    38 KB (3,821 words) - 07:07, 10 May 2024
  • Thumbnail for Cross product
    to generalize the cross product to higher dimensions. The cross product can be seen as one of the simplest Lie products, and is thus generalized by Lie...
    75 KB (11,464 words) - 04:10, 14 April 2024
  • In statistics, a generalized additive model (GAM) is a generalized linear model in which the linear response variable depends linearly on unknown smooth...
    38 KB (5,683 words) - 16:56, 24 April 2024