Basix Python interface documentation

class basix.CellType(self: basix._basixcpp.CellType, value: int) → None

Bases: pybind11_builtins.pybind11_object

Members:

point

interval

triangle

tetrahedron

quadrilateral

hexahedron

prism

pyramid

hexahedron = <CellType.hexahedron: 5>
interval = <CellType.interval: 1>
property name
point = <CellType.point: 0>
prism = <CellType.prism: 6>
pyramid = <CellType.pyramid: 7>
quadrilateral = <CellType.quadrilateral: 4>
tetrahedron = <CellType.tetrahedron: 3>
triangle = <CellType.triangle: 2>
property value
class basix.LatticeType(self: basix._basixcpp.LatticeType, value: int) → None

Bases: pybind11_builtins.pybind11_object

Members:

equispaced

gll_warped

equispaced = <LatticeType.equispaced: 0>
gll_warped = <LatticeType.gll_warped: 1>
property name
property value
class basix.MappingType(self: basix._basixcpp.MappingType, value: int) → None

Bases: pybind11_builtins.pybind11_object

Members:

identity

covariantPiola

contravariantPiola

doubleCovariantPiola

doubleContravariantPiola

contravariantPiola = <MappingType.contravariantPiola: 2>
covariantPiola = <MappingType.covariantPiola: 1>
doubleContravariantPiola = <MappingType.doubleContravariantPiola: 4>
doubleCovariantPiola = <MappingType.doubleCovariantPiola: 3>
identity = <MappingType.identity: 0>
property name
property value
basix.compute_jacobi_deriv(arg0: float, arg1: int, arg2: int, arg3: numpy.ndarray[numpy.float64]) → numpy.ndarray[numpy.float64]

Compute jacobi polynomial and derivatives at points

basix.create_element(arg0: str, arg1: str, arg2: int) → basix._basixcpp.FiniteElement

Create a FiniteElement of a given family, celltype and degree

basix.create_lattice(arg0: basix._basixcpp.CellType, arg1: int, arg2: basix._basixcpp.LatticeType, arg3: bool) → numpy.ndarray[numpy.float64]

Create a uniform lattice of points on a reference cell

basix.family_to_str(arg0: basix._basixcpp.ElementFamily) → str

Convert a family type to a string.

basix.geometry(arg0: basix._basixcpp.CellType) → numpy.ndarray[numpy.float64]

Geometric points of a reference cell

basix.get_include_path()
basix.get_prefix_dir()
basix.index(*args, **kwargs)

Overloaded function.

  1. index(arg0: int) -> int

Indexing for 1D arrays

  1. index(arg0: int, arg1: int) -> int

Indexing for triangular arrays

  1. index(arg0: int, arg1: int, arg2: int) -> int

Indexing for tetrahedral arrays

basix.make_quadrature(arg0: str, arg1: basix._basixcpp.CellType, arg2: int) → Tuple[numpy.ndarray[numpy.float64], numpy.ndarray[numpy.float64]]

Compute quadrature points and weights on a reference cell

basix.mapping_to_str(arg0: basix._basixcpp.MappingType) → str

Convert a mapping type to a string.

basix.tabulate_polynomial_set(arg0: basix._basixcpp.CellType, arg1: int, arg2: int, arg3: numpy.ndarray[numpy.float64]) → numpy.ndarray[numpy.float64]

Tabulate orthonormal polynomial expansion set

basix.topology(arg0: basix._basixcpp.CellType) → List[List[List[int]]]

Topological description of a reference cell

C++

The C++ library is documented here.