Pivot element

Known as: Pivot position, Complete pivoting, Pivot

The pivot or pivot element is the element of a matrix, or an array, which is selected first by an algorithm (e.g. Gaussian elimination, simplex…

Papers overview

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2017

We study various algorithms to factorize a symmetric indefinite matrix that does not fit in the core memory of a computer. There…

2010

We describe parallel implementations of LU factorization with pivoting for multicore architectures. Implementations that differ…

2004

This letter develops a method that is able to optimize the grating pivot position to obtain maximum continuous tuning range for a…

2003

1998

A sparse LU factorization based on Gaussian elimination with partial pivoting (GEPP) is important to many scientiic applications…

1996

1990

1985

The two algorithms INTCOL and HERMCOL presented here implement the collocation method as described in [l] for the special case of…

1980

Abstract : An off-design performance loss model was developed for variable-stator (pivoted vane), radial turbines through…

1978

We compare several algorithms for sparse Gaussian elimination with column interchanges. The algorithms are all derived from the…