[sympy] GSoC 2015 - Series module

2015-02-07 Thread Sartaj Singh
Hi, I am a Mathematics & Computing sophomore interested in working on series expansions. I wanted to know about the current state of series expansions. Also, from where should I get started. -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscr

[sympy] Slow inverse_laplace_transformation

2015-02-07 Thread Sten Sogaard
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

[sympy] Speed issues with 'inverse_laplace_transform"

2015-02-07 Thread Sten Sogaard
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

Re: [sympy] Slow inverse_laplace_transformation

2015-02-07 Thread Aaron Meurer
In SymPy 0.7.6 as well as the git master for me it immediately gives nan (which I guess is a bug). Aaron Meurer On Sat, Feb 7, 2015 at 4:06 PM, Sten Sogaard wrote: > I am trying to use inverse_laplace_transformation for some relative simple > filter calculations. > > I works fine with very simp

Re: [sympy] Speed issues with 'inverse_laplace_transform"

2015-02-07 Thread Aaron Meurer
What version of SymPy is this? Aaron Meurer On Sat, Feb 7, 2015 at 3:22 PM, Sten Sogaard wrote: > 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 some