`symfem.elements.wu_xu`¶

Wu-Xu elements on simplices.

This element’s definition appears in https://doi.org/10.1090/mcom/3361 (Wu, Xu, 2019)

Module Contents¶

Classes¶

Wu-Xu finite element.

Functions¶

derivatives(→ List[Tuple[int, Ellipsis]])

Return all the orders of a multidimensional derivative.

symfem.elements.wu_xu.derivatives(dim: int, order: int) → List[Tuple[int, Ellipsis]]¶

Return all the orders of a multidimensional derivative.

Parameters:

dim – The topological dimension
order – The total derivative order

Returns:

List of derivative order tuples

class symfem.elements.wu_xu.WuXu(reference: symfem.references.Reference, order: int)¶

Bases: symfem.finite_element.CiarletElement

Wu-Xu finite element.

names = ['Wu-Xu']¶

references = ['interval', 'triangle', 'tetrahedron']¶

min_order¶

max_order¶

continuity = 'C0'¶

last_updated = '2023.06.1'¶