echelon matrix
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Echelon — * ECHELON is an intelligence gathering network run by an international alliance of signals intelligence organizations known as UKUSA * The Echelon is the street publicity team of the band 30 Seconds to Mars, and also the name of a song on their… … Wikipedia
Echelon formation — An echelon formation is a military formation in which members are arranged diagonally. Each member is stationed behind and to the right (a right echelon ), or behind and to the left ( left echelon ), of the member ahead. The name of the formation … Wikipedia
Matrix (mathematics) — Specific elements of a matrix are often denoted by a variable with two subscripts. For instance, a2,1 represents the element at the second row and first column of a matrix A. In mathematics, a matrix (plural matrices, or less commonly matrixes)… … Wikipedia
Matrix decomposition — In the mathematical discipline of linear algebra, a matrix decomposition is a factorization of a matrix into some canonical form. There are many different matrix decompositions; each finds use among a particular class of problems. Contents 1… … Wikipedia
Row echelon form — In linear algebra a matrix is in row echelon form if * All nonzero rows are above any rows of all zeroes, and * The leading coefficient of a row is always strictly to the right of the leading coefficient of the row above it.This is the definition … Wikipedia
Kernel (matrix) — In linear algebra, the kernel or null space (also nullspace) of a matrix A is the set of all vectors x for which Ax = 0. The kernel of a matrix with n columns is a linear subspace of n dimensional Euclidean space.[1] The dimension… … Wikipedia
Elementary matrix — In mathematics, an elementary matrix is a simple matrix which differs from the identity matrix in a minimal way. The elementary matrices generate the general linear group of invertible matrices, and left (respectively, right) multiplication by an … Wikipedia
Fonction échelon — Fonction de Heaviside La fonction H0.5 de Heaviside. En mathématiques, la fonction de Heaviside (également fonction échelon, fonction marche ou, par abus de traduction de l anglais step, fonction d étape), du nom de Oliver Heaviside, est une… … Wikipédia en Français
Fonction échelon de Heaviside — Fonction de Heaviside La fonction H0.5 de Heaviside. En mathématiques, la fonction de Heaviside (également fonction échelon, fonction marche ou, par abus de traduction de l anglais step, fonction d étape), du nom de Oliver Heaviside, est une… … Wikipédia en Français
Gaussian elimination — In linear algebra, Gaussian elimination is an algorithm for solving systems of linear equations. It can also be used to find the rank of a matrix, to calculate the determinant of a matrix, and to calculate the inverse of an invertible square… … Wikipedia
Euclidean subspace — In linear algebra, an Euclidean subspace (or subspace of R n ) is a set of vectors that is closed under addition and scalar multiplication. Geometrically, a subspace is a flat in n dimensional Euclidean space that passes through the origin.… … Wikipedia
