diagonal entry

См. также в других словарях:

• diagonal scale — noun A scale for laying down small fractions of the unit of measurement, by lengthwise parallel lines intersected by two sets of parallel lines, crosswise and oblique • • • Main Entry: ↑diagonal …   Useful english dictionary

• Diagonal — For the avenue in Barcelona, see Avinguda Diagonal. The diagonals of a cube with side length 1. AC (shown in blue) is a space diagonal with length , while AC (shown in red) is a face diagonal and has length …   Wikipedia

• Diagonal band of Broca — Brain: Diagonal band of Broca Base of brain. (Diagonal band of Broca not labeled, but anterior perforated substance labeled at center.) …   Wikipedia

• main diagonal — noun the diagonal of a square matrix running from the upper left entry to the lower right entry • Syn: ↑principal diagonal • Hypernyms: ↑diagonal * * * Math. See under diagonal (def. 9) …   Useful english dictionary

• principal diagonal — noun the diagonal of a square matrix running from the upper left entry to the lower right entry • Syn: ↑main diagonal • Hypernyms: ↑diagonal …   Useful english dictionary

• secondary diagonal — noun the diagonal of a square matrix running from the lower left entry to the upper right entry • Hypernyms: ↑diagonal …   Useful english dictionary

• Diagonalizable matrix — In linear algebra, a square matrix A is called diagonalizable if it is similar to a diagonal matrix, i.e., if there exists an invertible matrix P such that P −1AP is a diagonal matrix. If V is a finite dimensional vector space, then a linear …   Wikipedia

• Perron–Frobenius theorem — In linear algebra, the Perron–Frobenius theorem, proved by Oskar Perron (1907) and Georg Frobenius (1912), asserts that a real square matrix with positive entries has a unique largest real eigenvalue and that the corresponding… …   Wikipedia

• Singular value decomposition — Visualization of the SVD of a 2 dimensional, real shearing matrix M. First, we see the unit disc in blue together with the two canonical unit vectors. We then see the action of M, which distorts the disk to an ellipse. The SVD decomposes M into… …   Wikipedia

• Adjacency matrix — In mathematics and computer science, an adjacency matrix is a means of representing which vertices (or nodes) of a graph are adjacent to which other vertices. Another matrix representation for a graph is the incidence matrix. Specifically, the… …   Wikipedia

• Orthogonal matrix — In linear algebra, an orthogonal matrix (less commonly called orthonormal matrix[1]), is a square matrix with real entries whose columns and rows are orthogonal unit vectors (i.e., orthonormal vectors). Equivalently, a matrix Q is orthogonal if… …   Wikipedia