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#

src/mat/order/spectral.c


Edit on GitLab

Index of all MatOrderings routines
Table of Contents for all manual pages
Index of all manual pages