poisson.form

来自「利用C」· FORM 代码 · 共 12 行

# Copyright (C) 2005-2007 Anders Logg.
# Licensed under the GNU LGPL Version 2.1.

element = FiniteElement("Lagrange", "triangle", 1)

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

a = dot(grad(v), grad(u))*dx
L = v*f*dx