iskra.fem

grad(vertices, faces[, stack])	Finite element gradient matrix.
grad_edges(vertices, edges)	Finite element gradient matrix for edges.
grad_to_div(g, tri_areas)
grad_triangle_2d(vertices, faces)	Finite element gradient matrix for 2d triangles.
grad_triangle_3d(vertices, faces)	Finite element gradient matrix for 3d triangles.
laplacian(vertices, faces[, weight_type])
laplacian_intrinsic(edge_lengths, ...[, ...])
mass(vertices, faces)
mass_intrinsic(edge_lengths, faces, ...)
mass_intrinsic_inv(edge_lengths, faces, ...)
mass_inv(vertices, faces)