- triangular matrix
-
Math.a square matrix in which either all the entries above the principal diagonal, or all the entries below the principal diagonal, are zero.
* * *
Universalium. 2010.
* * *
Universalium. 2010.
Triangular matrix — In the mathematical discipline of linear algebra, a triangular matrix is a special kind of square matrix where the entries either below or above the main diagonal are zero. Because matrix equations with triangular matrices are easier to solve… … Wikipedia
triangular matrix — Math. a square matrix in which either all the entries above the principal diagonal, or all the entries below the principal diagonal, are zero … Useful english dictionary
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
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 exponential — In mathematics, the matrix exponential is a matrix function on square matrices analogous to the ordinary exponential function. Abstractly, the matrix exponential gives the connection between a matrix Lie algebra and the corresponding Lie group.… … Wikipedia
Triangular array — Not to be confused with Triangular matrix. The triangular array whose right hand diagonal sequence consists of Bell numbers In mathematics and computing, a triangular array of numbers, polynomials, or the like, is a doubly indexed sequence in… … Wikipedia
Matrix of Leadership — Plot element from the Transformers franchise Publisher Marvel Comics (introduction only) First appearance Transformers issue 10 (November 1985) Created by Bob Budiansky … Wikipedia
Matrix normal distribution — parameters: mean row covariance column covariance. Parameters are matrices (all of them). support: is a matrix … Wikipedia
Triangular distribution — Probability distribution name =Triangular type =density pdf cdf parameters =a: ain ( infty,infty)b: b>a,c: ale cle b, support =a le x le b ! pdf = left{ egin{matrix} frac{2(x a)}{(b a)(c a)} mathrm{for } a le x le c frac{2(b x)}{(b a)(b c)}… … Wikipedia
Triangular factor — In linear algebra, triangular factors are triangular matrices resulting from LU decomposition or QR decomposition.In the QR decomposition, the resulting R matrix is a triangular factor.In the LU decomposition, the resulting L and U matrices are… … Wikipedia