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#
# Harmonic map demo using separate coefficients x and y.
# Author: Martin Alnes
# Date: 2009-04-09
#

cell = triangle
X = VectorElement("Lagrange", cell, 1)
Y = FiniteElement("Lagrange", cell, 1)

x = Coefficient(X)
y = Coefficient(Y)

L = inner(grad(x), grad(x))*dx + dot(x,x)*y*dx

F = derivative(L,(x,y))
J = derivative(F,(x,y))

forms = [L,F,J]