On Tue, Aug 13, 2013 at 7:00 PM, Alan Bromborsky <abro...@verizon.net> wrote: > On 08/13/2013 08:50 PM, Dale Lukas Peterson wrote: > > >> >> Also, try the ".series()" command. It might work, as it is expanding >> the expression inside out, >> to avoid such problems. >> > > Also, if you can put the equations in the form: dx/dt = f(x), and you have > f(x) as a Sympy Matrix of expressions, you can simply do df = f.jacobian(x), > then evaluate (using subs) at the equilibrium conditions and values of > parameters that you are interested in. > > Luke > -- > 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 sympy+unsubscr...@googlegroups.com. > To post to this group, send email to sympy@googlegroups.com. > Visit this group at http://groups.google.com/group/sympy. > For more options, visit https://groups.google.com/groups/opt_out. > > > > series did not work. limits did for evaluating the derivatives. First > derivatives were quick. Second derivatives took a long time (15min).
Can you post the sympy script that takes 15 min? I'd like to see what the problem is. Ondrej -- 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 sympy+unsubscr...@googlegroups.com. To post to this group, send email to sympy@googlegroups.com. Visit this group at http://groups.google.com/group/sympy. For more options, visit https://groups.google.com/groups/opt_out.