dolfin.cpp.function¶

Function module

Functions

`assign`(arg0, arg1)
`interpolate`(arg0, arg1)
`make_dolfin_expression`(arg0)	Create a dolfin::Expression object from a pointer integer, typically returned by a just-in-time compiler

Classes

`Constant`
`Expression`	An Expression is a function (field) that can appear as a coefficient in a form
`FacetArea`
`Function`	A finite element function
`FunctionAXPY`
`FunctionAssigner`
`FunctionSpace`
`GenericFunction`
`HierarchicalFunction`	some description
`LagrangeInterpolator`
`MeshCoordinates`
`MultiMeshFunction`
`MultiMeshFunctionSpace`
`MultiMeshSubSpace`
`ufc_cell`
`ufc_function`
`ufc_shape`

class dolfin.cpp.function.Constant¶

Bases: dolfin.cpp.function.Expression

assign(*args, **kwargs)¶

Overloaded function.

assign(self: dolfin.cpp.function.Constant, arg0: dolfin.cpp.function.Constant) -> None
assign(self: dolfin.cpp.function.Constant, arg0: float) -> None

str(self: dolfin.cpp.function.Constant, arg0: bool) → str¶

values(self: dolfin.cpp.function.Constant) → numpy.ndarray[float64]¶

class dolfin.cpp.function.Expression¶

Bases: dolfin.cpp.function.GenericFunction

An Expression is a function (field) that can appear as a coefficient in a form

get_generic_function(self: dolfin.cpp.function.Expression, arg0: str) → dolfin.cpp.function.GenericFunction¶

get_property(self: dolfin.cpp.function.Expression, arg0: str) → float¶

set_property(self: dolfin.cpp.function.Expression, arg0: str, arg1: object) → None¶

value_dimension(self: dolfin.cpp.function.Expression, arg0: int) → int¶

class dolfin.cpp.function.FacetArea¶: Bases: dolfin.cpp.function.Expression, dolfin.cpp.function.GenericFunction

class dolfin.cpp.function.Function¶

Bases: dolfin.cpp.function.GenericFunction, dolfin.cpp.function.HierarchicalFunction

A finite element function

extrapolate(*args, **kwargs)¶

Overloaded function.

extrapolate(self: dolfin.cpp.function.Function, arg0: dolfin.cpp.function.Function) -> None
extrapolate(self: dolfin.cpp.function.Function, arg0: object) -> None

get_allow_extrapolation(self: dolfin.cpp.function.Function) → bool¶

interpolate(*args, **kwargs)¶

Overloaded function.

interpolate(self: dolfin.cpp.function.Function, arg0: dolfin.cpp.function.GenericFunction) -> None

Interpolate the function u

interpolate(self: dolfin.cpp.function.Function, arg0: object) -> None

Interpolate the function u

restrict(self: dolfin.cpp.function.Function, arg0: float, arg1: dolfin::FiniteElement, arg2: dolfin::Cell, arg3: float, arg4: dolfin.cpp.function.ufc_cell) → None¶

set_allow_extrapolation(self: dolfin.cpp.function.Function, arg0: bool) → None¶

sub(self: dolfin.cpp.function.Function, arg0: int) → dolfin.cpp.function.Function¶

vector(self: dolfin.cpp.function.Function) → dolfin::GenericVector¶: Return the vector associated with the finite element Function

class dolfin.cpp.function.FunctionSpace¶

Bases: dolfin.cpp.common.Variable

collapse(self: dolfin.cpp.function.FunctionSpace) → Tuple[dolfin.cpp.function.FunctionSpace, Dict[int, int]]¶

component(self: dolfin.cpp.function.FunctionSpace) → List[int]¶

contains(self: dolfin.cpp.function.FunctionSpace, arg0: dolfin.cpp.function.FunctionSpace) → bool¶

dim(self: dolfin.cpp.function.FunctionSpace) → int¶

dofmap(self: dolfin.cpp.function.FunctionSpace) → dolfin::GenericDofMap¶

element(self: dolfin.cpp.function.FunctionSpace) → dolfin::FiniteElement¶

extract_sub_space(self: dolfin.cpp.function.FunctionSpace, arg0: List[int]) → dolfin.cpp.function.FunctionSpace¶

mesh(self: dolfin.cpp.function.FunctionSpace) → dolfin::Mesh¶

set_x(self: dolfin.cpp.function.FunctionSpace, arg0: dolfin::GenericVector, arg1: float, arg2: int) → None¶

sub(self: dolfin.cpp.function.FunctionSpace, arg0: int) → dolfin.cpp.function.FunctionSpace¶

tabulate_dof_coordinates(self: dolfin.cpp.function.FunctionSpace) → numpy.ndarray[float64]¶

class dolfin.cpp.function.GenericFunction¶

Bases: dolfin.cpp.function.ufc_function, dolfin.cpp.common.Variable

compute_vertex_values(*args, **kwargs)¶

Overloaded function.

compute_vertex_values(self: dolfin.cpp.function.GenericFunction, arg0: dolfin::Mesh) -> numpy.ndarray[float64]

Compute values at all mesh vertices

compute_vertex_values(self: dolfin.cpp.function.GenericFunction) -> numpy.ndarray[float64]

Compute values at all mesh vertices by using the mesh function.function_space().mesh()

eval(*args, **kwargs)¶

Overloaded function.

eval(self: dolfin.cpp.function.GenericFunction, arg0: numpy.ndarray[float64[m, 1], flags.writeable], arg1: numpy.ndarray[float64[m, 1]], arg2: dolfin::Cell) -> None

Evaluate GenericFunction (cell version)

eval(self: dolfin.cpp.function.GenericFunction, arg0: numpy.ndarray[float64[m, 1], flags.writeable], arg1: numpy.ndarray[float64[m, 1]], arg2: dolfin.cpp.function.ufc_cell) -> None

Evaluate GenericFunction (cell version)

eval(self: dolfin.cpp.function.GenericFunction, values: numpy.ndarray[float64[m, 1], flags.writeable], x: numpy.ndarray[float64[m, 1]]) -> None

Evaluate GenericFunction

function_space(self: dolfin.cpp.function.GenericFunction) → dolfin::FunctionSpace¶

value_dimension(self: dolfin.cpp.function.GenericFunction, arg0: int) → int¶

value_rank(self: dolfin.cpp.function.GenericFunction) → int¶

value_size(self: dolfin.cpp.function.GenericFunction) → int¶

class dolfin.cpp.function.HierarchicalFunction¶

Bases: pybind11_builtins.pybind11_object

some description

leaf_node(self: dolfin.cpp.function.HierarchicalFunction) → dolfin::Function¶

root_node(self: dolfin.cpp.function.HierarchicalFunction) → dolfin::Function¶

class dolfin.cpp.function.MeshCoordinates¶: Bases: dolfin.cpp.function.Expression, dolfin.cpp.function.GenericFunction

class dolfin.cpp.function.MultiMeshFunction¶

Bases: dolfin.cpp.common.Variable

assign_part(self: dolfin.cpp.function.MultiMeshFunction, arg0: int, arg1: dolfin.cpp.function.Function) → None¶

part(*args, **kwargs)¶

Overloaded function.

part(self: dolfin.cpp.function.MultiMeshFunction, arg0: int) -> dolfin.cpp.function.Function
part(self: dolfin.cpp.function.MultiMeshFunction, arg0: int, arg1: bool) -> dolfin.cpp.function.Function

vector(self: dolfin.cpp.function.MultiMeshFunction) → dolfin::GenericVector¶

dolfin.cpp.function.assign(arg0: object, arg1: object) → None¶

dolfin.cpp.function.interpolate(arg0: dolfin.cpp.function.GenericFunction, arg1: dolfin::FunctionSpace) → dolfin.cpp.function.Function¶

dolfin.cpp.function.make_dolfin_expression(arg0: int) → dolfin::Expression¶: Create a dolfin::Expression object from a pointer integer, typically returned by a just-in-time compiler