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

MatFilter(), MatGetGraph()

Level

intermediate

Location

src/mat/graphops/order/spectral.c

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