This seems very strange. It took much time to debug this problem in a script that I am writing:
In [112]: ImmutableMatrix([[1,0,0,0]])*ImmutableMatrix(eye(4)) Out[112]: I In [113]: _.as_explicit() Out[113]: [1] In [114]: Matrix([[1,0,0,0]])*Matrix(eye(4)) Out[114]: [1 0 0 0] -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.
