# subdiagonal

subdiagonal
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English-Russian architecture dictionary. 2015.

### Смотреть что такое "subdiagonal" в других словарях:

• barra subdiagonal — f En una cercha, barra que une un cordуn con una diagonal principal …   Diccionario de Construcción y Arquitectur

• List of matrices — This page lists some important classes of matrices used in mathematics, science and engineering: Matrices in mathematics*(0,1) matrix a matrix with all elements either 0 or 1. Also called a binary matrix . *Adjugate matrix * Alternant matrix a… …   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

• Shift matrix — In mathematics, a shift matrix is a binary matrix with ones only on the superdiagonal or subdiagonal, and zeroes elsewhere. A shift matrix U with ones on the superdiagonal is an upper shift matrix.The alternative subdiagonal matrix L is… …   Wikipedia

• Factorización LU — Saltar a navegación, búsqueda En el álgebra lineal, la factorización o descomposición LU es una forma de factorización de una matriz como el producto de una matriz triangular inferior y una superior. Debido a la inestabilidad de éste método, por… …   Wikipedia Español

• Matriz bidiagonal — Una matriz bidiagonal es una matriz con elementos distintos de cero tan solo a lo largo de su diagonal principal y de la primera superdiagonal o de la primera subdiagonal. Solo una de estas dos últimas puede estar ocupada. Por ejemplo, la… …   Wikipedia Español

• Pascal's triangle — The first six rows of Pascal s triangle In mathematics, Pascal s triangle is a triangular array of the binomial coefficients in a triangle. It is named after the French mathematician, Blaise Pascal. It is known as Pascal s triangle in much of the …   Wikipedia

• Orthogonal matrix — In linear algebra, an orthogonal matrix (less commonly called orthonormal matrix), 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

• QR decomposition — In linear algebra, the QR decomposition (also called the QR factorization) of a matrix is a decomposition of the matrix into an orthogonal and a right triangular matrix. The QR decomposition is often used to solve the linear least squares problem …   Wikipedia

• Hessenberg matrix — In linear algebra, a Hessenberg matrix is one that is almost triangular. To be exact, an upper Hessenberg matrix has zero entries below the first subdiagonal, and a lower Hessenberg matrix has zero entries above the first superdiagonal. They are… …   Wikipedia

• Tridiagonal matrix — In linear algebra, a tridiagonal matrix is a matrix that is almost a diagonal matrix. To be exact: a tridiagonal matrix has nonzero elements only in the main diagonal, the first diagonal below this, and the first diagonal above the main… …   Wikipedia

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