petsc-3.7.3 2016-07-24
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# MatRetrieveValues

Retrieves the copy of the matrix values; this allows, for example, reuse of the linear part of a Jacobian, while recomputing the nonlinear portion.

### Synopsis

    #include "petscmat.h"
    PetscErrorCode  MatRetrieveValues(Mat mat)

Collect on Mat

### Input Parameters

mat -the matrix (currently on AIJ matrices support this option)

### See Also

MatStoreValues()

Level:advanced
Location: src/mat/impls/aij/seq/aij.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages