# principal diagonal

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principal diagonal
noun Date: 1964 the diagonal in a square matrix that runs from upper left to lower right

New Collegiate Dictionary. 2001.

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• 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

• principal diagonal. — Math. See under diagonal (def. 9). [1960 65] * * * …   Universalium

• principal diagonal. — Math. See under diagonal (def. 9). [1960 65] …   Useful english dictionary

• Principal component analysis — PCA of a multivariate Gaussian distribution centered at (1,3) with a standard deviation of 3 in roughly the (0.878, 0.478) direction and of 1 in the orthogonal direction. The vectors shown are the eigenvectors of the covariance matrix scaled by… …   Wikipedia

• 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 — diagonally, adv. /duy ag euh nl, ag nl/, adj. 1. Math. a. connecting two nonadjacent angles or vertices of a polygon or polyhedron, as a straight line. b. extending from one edge of a solid figure to an opposite edge, as a plane. 2. having an… …   Universalium

• Diagonal principal — Saltar a navegación, búsqueda En Álgebra lineal, la Diagonal principal de una matriz cuadrada es la diagonal que va desde la esquina superior izquierda hasta la esquina inferior derecha. Por ejemplo, la siguiente matriz contiene unos a lo largo… …   Wikipedia Español

• Principal components analysis — Principal component analysis (PCA) is a vector space transform often used to reduce multidimensional data sets to lower dimensions for analysis. Depending on the field of application, it is also named the discrete Karhunen Loève transform (KLT),… …   Wikipedia

• Diagonal — Saltar a navegación, búsqueda Para otros usos de este término, véase Diagonal (desambiguación). Una diagonal es todo segmento que une dos vértices no consecutivos de un polígono o de un poliedro. En sentido coloquial, una diagonal es una recta o… …   Wikipedia Español

• Diagonal (desambiguación) — Saltar a navegación, búsqueda La palabra diagonal puede hacer referencia a: Diagonal, un segmento que une dos vértices no consecutivos de un polígono o de un poliedro; la matriz diagonal, un tipo especial de matriz; la diagonal principal, de una… …   Wikipedia Español