petsc-3.12.5 2020-03-29
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 Parameters
L -The graph Laplacian matrix
See Also
MatChop()
Level
intermediate
Location
src/mat/order/spectral.c
Index of all MatOrderings routines
Table of Contents for all manual pages
Index of all manual pages