PETSc version 3.15.5
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