MatCreateLaplacian#
Create the matrix Laplacian, with all values in the matrix less than the tolerance set to zero
Synopsis#
#include <petscmat.h>
PetscErrorCode MatCreateLaplacian(Mat A, PetscReal tol, PetscBool weighted, Mat *L)
Input Parameters#
A - The matrix
tol - The zero tolerance
weighted - Flag for using edge weights
Output Parameter#
L - The graph Laplacian matrix
See Also#
MatChop(), MatGetGraph()
Level#
intermediate
Location#
Index of all MatOrderings routines
Table of Contents for all manual pages
Index of all manual pages