Oscar, Thanks again for your response and clarification,
> If you want to do sqrt(P(x)) with P(x) polynomial of degree k then I > think you can have general solutions for k=1,2,3 and 4 (assuming P(x) > has no repeated roots). Sympy can do k=1 and should be able to do 2 > with a bit of help. For 3 and 4 you want the elliptic integrals > although maybe sympy doesn't do them yet. > > For k>4 there may be solutions for certain special cases of the > polynomial coefficients. In general for a polynomial with symbolic > coefficients I don't think that there exist well-known mathematical > functions to represent the results. > Since ultimately I need to deal with the more general case (arbitrary k), it sounds like I better try to use numerical integration instead. -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/sympy. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/CAFR75vf%2BKBX93ju%3DpbtbPfJ2nv%2BeFURCPHe%2BHQAaLboQjguLuQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
