petsc-dev 2014-07-11
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MatChop

Set all values in the matrix less than the tolerance to zero

Synopsis

#include "petscmat.h"  
PetscErrorCode MatChop(Mat A, PetscReal tol)

Input Parameters

A - The matrix
tol - The zero tolerance

Output Parameters

A -The chopped matrix

See Also

MatCreate(), MatZeroEntries()

Level:intermediate
Location:
src/mat/utils/axpy.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages