Mr Onrej, really thank you for you kindness. could you please tell me how can I write the system of equation given in my example, in sympy syntax?
On 24 déc, 17:21, "Ondrej Certik" <[email protected]> wrote: > Hi Olfa, > > > > > > On Wed, Dec 24, 2008 at 5:08 PM, olfa <[email protected]> wrote: > > > Hello sympy community, > > I want to know if Sympy 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): > > Thanks for your interest in sympy. Yes, you can solve systems of > equations, see here for some examples: > > http://wiki.sympy.org/wiki/EuroSciPy2008_examples#Linear_Solvinghttp://wiki.sympy.org/wiki/EuroSciPy2008_examples#Nonlinear_Solving > > and you can use python lists, or numpy arrays (with sympy expressions > in it), so I think you can do what you want. If you have problems > getting this done, feel free to ask again. > > Ondrej- Masquer le texte des messages précédents - > > - Afficher le texte des messages précédents - --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to [email protected] 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 -~----------~----~----~----~------~----~------~--~---
