Hi, I have been using Sympy for quite some time now in a symbolic electric circuit solver (which I will release soon).
To the problem, I have a matrix that gives an incorrect inverse: >>> A = Matrix([[x+y, -x, 0], [-x-y, x, 1], [0,1,0]]) >>> Ainv = A.inv() >>> Ainv.simplify() >>> print Ainv ⎡0 0 0⎤ ⎢ ⎥ ⎢0 0 1⎥ ⎢ ⎥ ⎣0 1 0⎦ >>> print A*Ainv ⎡ 0 0 0⎤ ⎢ ⎥ ⎢ 0 1 0⎥ ⎢ ⎥ ⎣-x - y x 1⎦ Regards, Henrik --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to sympy@googlegroups.com 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 -~----------~----~----~----~------~----~------~--~---