petsc-3.7.7 2017-09-25
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PCFactorGetMatrix

 Gets the factored matrix from the preconditioner context. This routine is valid only for the LU, incomplete LU, Cholesky, and incomplete Cholesky methods.

Synopsis

#include "petscksp.h" 
PetscErrorCode  PCFactorGetMatrix(PC pc,Mat *mat)
Not Collective on PC though Mat is parallel if PC is parallel

Input Parameters

pc -the preconditioner context

Output parameters

mat -the factored matrix

Notes: Does not increase the reference count for the matrix so DO NOT destroy it

Keywords

PC, get, factored, matrix

Level:advanced
Location:src/ksp/pc/interface/precon.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/ksp/pc/examples/tutorials/ex1.c.html
src/ksp/pc/examples/tutorials/ex2.c.html
src/ksp/ksp/examples/tutorials/ex52.c.html
src/ksp/ksp/examples/tutorials/ex52f.F.html