In mathematics, a matrix (pl.: matrices) is a rectangular array or table of numbers, symbols, or expressions, with elements or entries arranged in rows...
108 KB (13,491 words) - 16:28, 3 February 2025
In mathematics, specifically in linear algebra, matrix multiplication is a binary operation that produces a matrix from two matrices. For matrix multiplication...
41 KB (6,608 words) - 09:12, 17 December 2024
Determinant (redirect from Matrix determinant)
In mathematics, the determinant is a scalar-valued function of the entries of a square matrix. The determinant of a matrix A is commonly denoted det(A)...
88 KB (13,860 words) - 20:13, 12 February 2025
Minor (linear algebra) (redirect from Minor (matrix theory))
In linear algebra, a minor of a matrix A is the determinant of some smaller square matrix generated from A by removing one or more of its rows and columns...
16 KB (2,729 words) - 08:52, 30 January 2025
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) - 02:46, 14 January 2025
In mathematics, the Hessian matrix, Hessian or (less commonly) Hesse matrix is a square matrix of second-order partial derivatives of a scalar-valued...
22 KB (3,537 words) - 16:54, 7 February 2025
structure Scalar (physics) Linear algebra Matrix (mathematics) Row and column vectors Tensor Vector (mathematics and physics) Lay, David C. (2006). Linear...
9 KB (1,044 words) - 04:09, 2 December 2024
an invertible matrix is a square matrix that has an inverse. In other words, if some other matrix is multiplied by the invertible matrix, the result can...
46 KB (6,996 words) - 22:30, 15 February 2025
In mathematics, a block matrix or a partitioned matrix is a matrix that is interpreted as having been broken into sections called blocks or submatrices...
29 KB (4,799 words) - 06:27, 16 December 2024
In mathematics, an elementary matrix is a square matrix obtained from the application of a single elementary row operation to the identity matrix. The...
9 KB (1,236 words) - 20:55, 18 October 2024
precisely with that of a negated Metzler matrix or quasipositive matrix, thus the term quasinegative matrix appears from time to time in the literature...
3 KB (332 words) - 22:51, 5 November 2024
Rank (linear algebra) (redirect from Rank of a matrix)
In linear algebra, the rank of a matrix A is the dimension of the vector space generated (or spanned) by its columns. This corresponds to the maximal number...
29 KB (4,390 words) - 03:18, 12 September 2024
In mathematics, a Hadamard matrix, named after the French mathematician Jacques Hadamard, is a square matrix whose entries are either +1 or −1 and whose...
25 KB (3,662 words) - 11:44, 2 January 2025
In linear algebra, a Vandermonde matrix, named after Alexandre-Théophile Vandermonde, is a matrix with the terms of a geometric progression in each row:...
25 KB (5,347 words) - 18:44, 11 February 2025
such norms are referred to as matrix norms. Matrix norms differ from vector norms in that they must also interact with matrix multiplication. Given a field...
28 KB (4,804 words) - 01:38, 25 January 2025
In mathematics, a Hermitian matrix (or self-adjoint matrix) is a complex square matrix that is equal to its own conjugate transpose—that is, the element...
20 KB (3,013 words) - 00:55, 10 November 2024
Matrix (mathematics), a rectangular array of numbers, symbols or expressions Matrix (logic), part of a formula in prenex normal form Matrix (biology)...
6 KB (828 words) - 01:51, 28 January 2025
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...
14 KB (1,944 words) - 20:40, 11 November 2024
In mathematics, an involutory matrix is a square matrix that is its own inverse. That is, multiplication by the matrix A n × n {\displaystyle {\mathbf...
7 KB (971 words) - 00:57, 17 September 2024
In the mathematical discipline of linear algebra, a matrix decomposition or matrix factorization is a factorization of a matrix into a product of matrices...
26 KB (3,580 words) - 17:05, 12 March 2024
In mathematics, specifically linear algebra, the Woodbury matrix identity – named after Max A. Woodbury – says that the inverse of a rank-k correction...
17 KB (2,090 words) - 12:56, 28 October 2024
frequently, some mathematics books use U {\displaystyle U} or E {\displaystyle E} to represent the identity matrix, standing for "unit matrix" and the German...
6 KB (841 words) - 10:08, 17 October 2024
In mathematics, in particular linear algebra, the matrix determinant lemma computes the determinant of the sum of an invertible matrix A and the dyadic...
5 KB (789 words) - 23:14, 28 September 2024
In mathematics, an incidence matrix is a logical matrix that shows the relationship between two classes of objects, usually called an incidence relation...
9 KB (1,287 words) - 16:26, 20 November 2024
In mathematics, a symmetric matrix M {\displaystyle M} with real entries is positive-definite if the real number x ⊤ M x {\displaystyle \mathbf {x} ^{\top...
50 KB (8,704 words) - 20:03, 13 February 2025
In mathematics, two related but distinct classes of matrices are referred to as Hurwitz matrices: A Hurwitz-stable matrix is a matrix whose eigenvalues...
359 bytes (83 words) - 16:30, 5 November 2024
In probability theory and mathematical physics, a random matrix is a matrix-valued random variable—that is, a matrix in which some or all of its entries...
50 KB (7,194 words) - 22:22, 4 February 2025
Transpose (redirect from Transpose of a matrix)
transpose of a matrix is an operator which flips a matrix over its diagonal; that is, it switches the row and column indices of the matrix A by producing...
20 KB (2,568 words) - 10:08, 23 January 2025
Matrix model may refer to: a model using a matrix in mathematics Matrix models (physics), a simplified quantum gauge theory and related mathematical techniques...
660 bytes (103 words) - 14:45, 22 October 2024
In mathematics, a Q-matrix is a square matrix whose associated linear complementarity problem LCP(M,q) has a solution for every vector q. M is a Q-matrix...
3 KB (274 words) - 18:41, 12 August 2023