petsc-3.14.6 2021-03-30

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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