I'm assuming you answered your own questions here with your symbolic nsolve. Were there any issues that you didn't resolve?
Aaron Meurer On Tue, Jan 10, 2012 at 9:34 AM, krastanov.ste...@gmail.com <krastanov.ste...@gmail.com> wrote: > The problem of "python functions evaluate immediately sympy functions don't" > is obvious when one tries to plot/lambdify something that contains both Expr > and some numerical routine. Try to imagine a way to plot > nsolve(..)*some_Expr for example. > > On 10 January 2012 17:30, krastanov.ste...@gmail.com > <krastanov.ste...@gmail.com> wrote: >> >> Or more likely it's better to use implemented_function that is imported >> from utilities.lambdify? >> It seems to me that implemented_function is quite important if one wants >> for example to have complicated numerical routines accessible as sympy >> expressions. In my opinion it's actually important enough to be mentioned in >> the tutorial/pitfalls. Because defining a function to be used in sympy is >> actually not as simple as defining a python function (python functions >> evaluate immediately, sympy functions do not). >> >> Another question that I need help with is what is Lambda used for. Is >> there something that Lambda does and implemented_function does not? >> >> >> On 10 January 2012 16:39, krastanov.ste...@gmail.com >> <krastanov.ste...@gmail.com> wrote: >>> >>> How can I represent an unevaluated call to nsolve as a sympy expression? >>> Is Lambda the best (and standard) solution? >>> >>> The expression I want to represent looks like nsolve(x-tanh(x-h),[x],0). >>> The free symbol is h. It's in the context of plotting phase transition >>> diagrams. >> >> > > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To post to this group, send email to sympy@googlegroups.com. > To unsubscribe from this group, send email to > sympy+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/sympy?hl=en. -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to sympy@googlegroups.com. To unsubscribe from this group, send email to sympy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.
