petsc-3.10.5 2019-03-28
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MatSolves

 Solves A x = b, given a factored matrix, for a collection of vectors

Synopsis

#include "petscmat.h" 
PetscErrorCode MatSolves(Mat mat,Vecs b,Vecs x)
Neighbor-wise Collective on Mat and Vecs

Input Parameters

mat - the factored matrix
b - the right-hand-side vectors

Output Parameter

x -the result vectors

Notes

The vectors b and x cannot be the same. I.e., one cannot call MatSolves(A,x,x).

Notes

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

See Also

MatSolveAdd(), MatSolveTranspose(), MatSolveTransposeAdd(), MatSolve()

Level

developer

Location

src/mat/interface/matrix.c

Implementations

MatSolves_SeqSBAIJ_1 in src/mat/impls/sbaij/seq/sbaijfact2.c
MatSolves_SeqSBAIJ_1_inplace in src/mat/impls/sbaij/seq/sbaijfact2.c

Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages