projection.form

利用C

# Copyright (C) 2008 Anders Logg.
# Licensed under the GNU LGPL Version 2.1.
#
# First added:  2008-03-17
# Last changed: 2008-03-17
#
# The bilinear form a(v, u) and linear form L(v) for
# projection onto piecewise quadratics.
#
# Compile this form with FFC: ffc -l dolfin Projection.form.

element = FiniteElement("Lagrange", "tetrahedron", 2)

v = TestFunction(element)
u = TrialFunction(element)
f = Function(element)

a = v*u*dx
L = v*f*dx