• a totally positive matrix is a square matrix in which all the minors are positive: that is, the determinant of every square submatrix is a positive number...
    3 KB (379 words) - 19:18, 13 January 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...
    49 KB (8,687 words) - 21:07, 14 April 2025
  • them. By summing up the 2 rows of the confusion matrix, one can also deduce the total number of positive (P) and negative (N) samples in the original dataset...
    15 KB (1,665 words) - 14:19, 28 February 2025
  • 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) - 21:01, 14 April 2025
  • Thumbnail for Variation diminishing property
    variation diminishing property. The variation diminishing property of totally positive matrices is a consequence of their decomposition into products of Jacobi...
    4 KB (456 words) - 21:09, 14 April 2025
  • in the Matrix franchise to be directed solely by Lana. It is the sequel to The Matrix Revolutions (2003) and the fourth installment in The Matrix film series...
    104 KB (9,633 words) - 15:55, 27 April 2025
  • work on non-negative matrix factorizations was performed by a Finnish group of researchers in the 1990s under the name positive matrix factorization. It...
    68 KB (7,780 words) - 23:09, 26 August 2024
  • is also totally positive (meaning that the determinant of every submatrix is positive). The Hilbert matrix is an example of a Hankel matrix. It is also...
    7 KB (1,247 words) - 21:04, 14 April 2025
  • Thumbnail for Matrix (mathematics)
    are positive integers. A matrix with m {\displaystyle m} rows and n {\displaystyle n} columns is called an m × n {\displaystyle m\times n} matrix, or...
    107 KB (13,271 words) - 04:30, 14 May 2025
  • Enter the Matrix and The Animatrix, a collection of short animations, supported and expanded the film's story. The film received generally positive reviews...
    54 KB (5,206 words) - 01:44, 4 May 2025
  • The Matrix is an American cyberpunk media franchise consisting of four feature films, beginning with The Matrix (1999) and continuing with three sequels...
    93 KB (7,487 words) - 07:50, 15 February 2025
  • vector calculus, the Jacobian matrix (/dʒəˈkoʊbiən/, /dʒɪ-, jɪ-/) of a vector-valued function of several variables is the matrix of all its first-order partial...
    26 KB (3,755 words) - 18:29, 14 May 2025
  • Thumbnail for Singular value decomposition
    complex matrix into a rotation, followed by a rescaling followed by another rotation. It generalizes the eigendecomposition of a square normal matrix with...
    91 KB (14,491 words) - 16:59, 9 May 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 (3,028 words) - 04:54, 28 April 2025
  • algebra, eigendecomposition is the factorization of a matrix into a canonical form, whereby the matrix is represented in terms of its eigenvalues and eigenvectors...
    40 KB (5,590 words) - 01:51, 27 February 2025
  • 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 = [...
    102 KB (15,724 words) - 13:01, 9 May 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 function...
    22 KB (3,542 words) - 11:20, 14 May 2025
  • E(V/R)} . False positives and false negatives False coverage rate False discovery rate Sensitivity and specificity Confusion matrix Contingency table...
    6 KB (956 words) - 18:59, 8 January 2025
  • Thumbnail for The Wachowskis
    sequels back-to-back, The Matrix Reloaded and The Matrix Revolutions, both released in 2003. The Matrix Reloaded received positive critical reception, although...
    154 KB (11,711 words) - 17:34, 5 May 2025
  • Thumbnail for Precision and recall
    P positive instances and N negative instances for some condition. The four outcomes can be formulated in a 2×2 contingency table or confusion matrix, as...
    23 KB (3,757 words) - 06:47, 21 March 2025
  • linear algebra, a skew-symmetric (or antisymmetric or antimetric) matrix is a square matrix whose transpose equals its negative. That is, it satisfies the...
    19 KB (3,601 words) - 08:42, 4 May 2025
  • the symmetric positive-definite matrix Σ = [ A B B T C ] , {\displaystyle \Sigma =\left[{\begin{matrix}A&B\\B^{\mathrm {T} }&C\end{matrix}}\right],} where...
    15 KB (2,901 words) - 11:06, 13 March 2025
  • The Matrix: Path of Neo is a 2005 action-adventure video game developed by Shiny Entertainment and published by Atari. The game was written and co-directed...
    14 KB (1,019 words) - 18:33, 5 April 2025
  • It is also called a probability matrix, transition matrix, substitution matrix, or Markov matrix. The stochastic matrix was first developed by Andrey Markov...
    20 KB (2,959 words) - 14:55, 5 May 2025
  • 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) - 21:46, 13 April 2025
  • Thumbnail for SWOT analysis
    planning and strategic management, SWOT analysis (also known as the SWOT matrix, TOWS, WOTS, WOTS-UP, and situational analysis) is a decision-making technique...
    45 KB (4,569 words) - 07:13, 29 April 2025
  • Thumbnail for Correlation
    Consequently, each is necessarily a positive-semidefinite matrix. Moreover, the correlation matrix is strictly positive definite if no variable can have...
    39 KB (5,359 words) - 07:21, 9 May 2025
  • Loewner order (category Matrix theory)
    concave/convex Hermitian valued functions. These functions arise naturally in matrix and operator theory and have applications in many areas of physics and engineering...
    4 KB (468 words) - 17:41, 7 February 2025
  • represents all positive integers if and only if it represents all integers up through 290; if it has an integral matrix, it represents all positive integers...
    33 KB (4,569 words) - 21:18, 22 March 2025
  • LU decomposition (category Matrix decompositions)
    factorization factors a matrix as the product of a lower triangular matrix and an upper triangular matrix (see matrix multiplication and matrix decomposition)...
    54 KB (8,625 words) - 09:04, 2 May 2025