# [Numpy-discussion] Is it possible with numpy?

Jim Vickroy Jim.Vickroy@noaa....
Wed Dec 24 06:19:33 CST 2008

```olfa mraihi wrote:
> Hello Numpy community,
> I want to know if Numpy could deal with symbolic arrays and lists (by
> symbolic I mean without specifying the concrete contents of list or
> array)
> For example I want to solve a system of equations containing lists and
> arrays like this
> solve(x+Sum[A[k],k=i..N]==y+Sum[B[k],k=m..N],
> j-Length[C]==l-Length[D],
>  z/(c ^ i)==t/(c ^ h),
> u+1==2*v-3w,
> v=f(f(w)))
> (here A and B are arrays; C et D are lists;
> x,y,z,t,j,l,i,h,u,v,w are variables that could be of type integer or
> real, c is a constant and f is a function):
>
> Thank you very much.
> Yours faithfully,
> Olfa MRAIHI
>
>
If I understand you correctly, I believe the answer is no.  Have you
considered PyDSTool <http://pydstool.sourceforge.net> and SymPy
<http://en.wikipedia.org/wiki/SymPy>?

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