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# Copyright (C) 2005-2007 Anders Logg.
# Licensed under the GNU LGPL Version 2.1.
#
# First added: 2005
# Last changed: 2007-05-14
#
# The bilinear form a(v, U) and linear form L(v) for
# Poisson's equation.
#
# Compile this form with FFC: ffc -l dolfin Poisson.form.
element = FiniteElement("Lagrange", "triangle", 1)
v = TestFunction(element)
u = TrialFunction(element)
f = Function(element)
g = Function(element)
a = dot(grad(v), grad(u))*dx
L = v*f*dx + v*g*ds
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