petsc-3.15.0 2021-03-30
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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 only 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