interpolate

dolfin.fem.interpolation.interpolate(v, V)

Return interpolation of a given function into a given finite element space.

Arguments
v
a Function or an Expression
V
a FunctionSpace (standard, mixed, etc.)

Example of usage

v = Expression("sin(pi*x[0])")
V = FunctionSpace(mesh, "Lagrange", 1)
Iv = interpolate(v, V)