dameedna(4)% python test.py
Traceback (most recent call last):
  File "test.py", line 14, in ?
    SteepestDescent.Minimize(universe, 100, 0.0001)
  File "/afs/cs.wisc.edu/u/v/a/vanitha/private/MMTK-2.5.11/Examples/Minimization/SteepestDescent/Python/SteepestDescent.py", line 21, in Minimize
    universe.addToConfiguration( universe, direction)
  File "/u/v/a/vanitha/lib/python2.4/site-packages/MMTK/Universe.py", line 409, in addToConfiguration
    conf.assign(conf+displacement)
  File "/u/v/a/vanitha/lib/python2.4/site-packages/MMTK/ParticleProperties.py", line 347, in __add__
    value = ParticleVector.__add__(self, other)
  File "/u/v/a/vanitha/lib/python2.4/site-packages/MMTK/ParticleProperties.py", line 95, in __add__
    return self._arithmetic(other, N.add)
  File "/u/v/a/vanitha/lib/python2.4/site-packages/MMTK/ParticleProperties.py", line 92, in _arithmetic
    return return_class(self.universe, op(a1, a2))
ValueError: frames are not aligned