Question #105494 on DOLFIN changed:
https://answers.launchpad.net/dolfin/+question/105494
Status: Answered => Open
Achim Schroll is still having a problem:
Hi Johan, I don't get it. Expression gives the error...
class myrand(Expression):
def eval(self, values, x):
values[0] = gauss(0,1)
mesh = UnitSquare(20, 20)
V = FunctionSpace(mesh, "CG", 1)
randf1 = myrand(V)
Traceback (most recent call last):
File "addnoise_ny.py", line 37, in <module>
randf1 = myrand(V)
File "/usr/lib/python2.5/site-packages/dolfin/expression.py", line 120, in
__init__
raise TypeError, "Expression need to be initialized using either a
'cpp.FunctionSpace', using kwarg 'V', or an 'ufl.FiniteElement' using kwarg
'element'."
TypeError: Expression need to be initialized using either a
'cpp.FunctionSpace', using kwarg 'V', or an 'ufl.FiniteElement' using kwarg
'element'.
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