[sympy] Speed issues with 'inverse_laplace_transform"

I am trying to do an inverse laplace transformation of a relative simple filter, but have found that it does not take much before the transformation takes forever. I wonder if there is something wrong in my configuration. Windows 7 WinPython-32bit-2.7.6.4 I started to strip out terms in my f

[sympy] Slow inverse_laplace_transformation

I am trying to use inverse_laplace_transformation for some relative simple filter calculations. I works fine with very simple 1st and 2nd order filters, but if it is more complex it takes forever. Even this very simple polynomial takes a long time (30 minutes and still no solution). from symp