aPriori.derivatives.laplacian

aPriori.derivatives.laplacian(F, mesh, filter_size=1, acc=4, reduce_acc=False)

Description

Computes the Laplacian (d2/dx2 + d2/dy2 + d2/dz2) of the field.

param F:

type F:

Scalar object

param mesh:

type mesh:

Mesh object

param filter_size:

type filter_size:

int, optional

param acc:

type acc:

int, optional

returns:

lap – The Laplacian of the input field.

rtype:

numpy array