MatLUFactorNumeric

 Performs numeric LU factorization of a matrix. Call this routine after first calling MatLUFactorSymbolic().

Synopsis

#include "petscmat.h" 
int MatLUFactorNumeric(Mat mat,Mat *fact)
Collective on Mat

Input Parameters

mat - the matrix
fact - the matrix generated for the factor, from MatLUFactorSymbolic()

Notes

See MatLUFactor() for in-place factorization. See MatCholeskyFactorNumeric() for the symmetric, positive definite case.

Most users should employ the simplified SLES interface for linear solvers instead of working directly with matrix algebra routines such as this. See, e.g., SLESCreate().

See Also

MatLUFactorSymbolic(), MatLUFactor(), MatCholeskyFactor()

Level:developer
Location:src/mat/interface/matrix.c
Index of all Mat routines
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Index of all manual pages