petsc-3.4.5 2014-06-29

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