2009/5/17 Fredrik Johansson <fredrik.johans...@gmail.com> > > On Sun, May 17, 2009 at 12:25 PM, Vinzent Steinberg > <vinzent.steinb...@googlemail.com> wrote: > > Yeah, this is what I changed in my patch. 0.001 was too small, but 0.01 > did > > the job. Shouldn't this be the default instead of 0.25? > > There's a tradeoff, and there are examples where 0.01 fails too... >
What's the tradeoff? 0.25 seems somewhat large to me. Do you think findroot() should use Newton's method by default to avoid the problems Ondrej had? Maybe there's some heuristic to choose a good stepsize for a given function. Vinzent --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sympy-patches" group. To post to this group, send email to sympy-patches@googlegroups.com To unsubscribe from this group, send email to sympy-patches+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sympy-patches?hl=en -~----------~----~----~----~------~----~------~--~---
