Method collapse

python/dolfinx/fem/function.py:618–626

Create a collapsed version of this Function.

(self)

        return tuple(self.sub(i) for i in range(num_sub_spaces))

    def collapse(self) -> Function[Scalar]:
        """Create a collapsed version of this Function."""
        u_collapsed = self._cpp_object.collapse()  # type: ignore
        V_collapsed = FunctionSpace(
            self.function_space._mesh,
            self.ufl_element(),  # type: ignore
            u_collapsed.function_space,
        )
        return Function(V_collapsed, la.Vector(u_collapsed.x))


class ElementMetaData(typing.NamedTuple):