SubSpace¶
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class
dolfin.cpp.function.
SubSpace
(*args)¶ Bases:
dolfin.cpp.function.FunctionSpace
This class represents a subspace (component) of a function space.
The subspace is specified by an array of indices. For example, the array [3, 0, 2] specifies subspace 2 of subspace 0 of subspace 3.
A typical example is the function space W = V x P for Stokes. Here, V = W[0] is the subspace for the velocity component and P = W[1] is the subspace for the pressure component. Furthermore, W[0][0] = V[0] is the first component of the velocity space etc.
Overloaded versions
SubSpace(V, component)
Create subspace for given component (one level)
SubSpace(V, component, sub_component)
Create subspace for given component (two levels)
SubSpace(V, component)
Create subspace for given component (n levels)
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thisown
¶ The membership flag