Hi David! On Wed, Apr 29, 2009 at 4:25 AM, David Joyner <[email protected]> wrote: > > Hi: > > I'm not sure if this is a bug but just in case, I'm reporting this behaviour: > > > > Using SymPy in Sage (ie, type "from sympy import *"): > > sage: x = Symbol('x') > sage: C1 = Symbol('C1') > sage: y = Function('y') > sage: soln = dsolve(Derivative(y(x),x)+sin(x)*y(x)^6,y(x)); soln > (C1 - 5*cos(x))**(-1/5) > sage: ypi = soln.subs(x,pi); ypi > (5 + C1)**(-1/5) > > But now > > sage: solve(ypi - 9, C1) > > yields an error which I don't understand.
Indeed, it's a bug in solve(), it's now: http://code.google.com/p/sympy/issues/detail?id=1398 Thanks for reporting it. Ondrej --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
