[SciPy-user] symbolic variables

Robert Kern rkern at ucsd.edu
Mon Jun 13 14:17:41 CDT 2005


Ryan Krauss wrote:
> Is there a way within SciPy to do symbolic math - sort of like the 
> symbolic toolbox of Matlab that interfaces with Maple?
> 
> I need to be able to work with matrices that have at least one symbolic 
> variable in them.  Most of the time, all of the variables will be 
> assigned numeric values, but occasionally I need symbolic output.  It 
> would be great not to have to do all of this twice in two different 
> pieces of software - one for numeric and one for symbolic.

No, Scipy does not have any symbolic capabilities. Pearu does have 
Python bindings to GiNaC (PyGiNaC), but I believe it is unmaintained at 
this time.

> If this can't be done in SciPy, can anyone recommend a good symbolic 
> program that can do matrices?

I usually use Maxima when I have to do such things. YACAS might also do 
what you need.

-- 
Robert Kern
rkern at ucsd.edu

"In the fields of hell where the grass grows high
  Are the graves of dreams allowed to die."
   -- Richard Harter



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