Hi, It seems ndarray has a dot function now in numpy trunk, updated my numpy and fipy crashes like
File "stratifiedmassflowrect.py", line 44, in <module> mesh1 = Grid2D(dx=dy1strat, nx=nytot, dy=dz, ny=nztot) File "/usr/lib/python2.6/dist-packages/FiPy-2.1-py2.6.egg/fipy/meshes/numMesh/grid2D.py", line 111, in __init__ Mesh2D.__init__(self, vertices, faces, cells) File "/usr/lib/python2.6/dist-packages/FiPy-2.1-py2.6.egg/fipy/meshes/numMesh/mesh.py", line 68, in __init__ _CommonMesh.__init__(self) File "/usr/lib/python2.6/dist-packages/FiPy-2.1-py2.6.egg/fipy/meshes/common/mesh.py", line 68, in __init__ self._calcGeometry() File "/usr/lib/python2.6/dist-packages/FiPy-2.1-py2.6.egg/fipy/meshes/numMesh/mesh.py", line 469, in _calcGeometry _CommonMesh._calcGeometry(self) File "/usr/lib/python2.6/dist-packages/FiPy-2.1-py2.6.egg/fipy/meshes/common/mesh.py", line 613, in _calcGeometry self._calcFaceNormals() File "/usr/lib/python2.6/dist-packages/FiPy-2.1-py2.6.egg/fipy/meshes/numMesh/mesh2D.py", line 81, in _calcFaceNormals orientation = 1 - 2 * (numerix.dot(self.faceNormals, self.cellDistanceVectors) < 0) File "/usr/lib/python2.6/dist-packages/FiPy-2.1-py2.6.egg/fipy/tools/numerix.py", line 841, in dot return a2.dot(a1) ValueError: matrices are not aligned See http://www.mail-archive.com/numpy-discuss...@scipy.org/msg25306.html http://docs.scipy.org/doc/numpy/reference/generated/numpy.ndarray.dot.html#numpy.ndarray.dot As a consequence, numerix dot should change. Something like if hasattr(a1, 'dot') and not (type(a1) in (type(MA.array(0)),type(array([0])))): return a1.dot(a2) elif hasattr(a2, 'rdot') and not (type(a2) in (type(MA.array(0)),type(array([0])))): return a2.rdot(a1) elif hasattr(a2, 'dot') and not (type(a2) in (type(MA.array(0)),type(array([0])))): I suppose. Greetings, Benny