Hi Joachim, I was thinking of Mathematica and MATLAB Symbolic Toolbox, and both doing symbolic math rather than numerical systems. My experience is limited to these two though (that's the two my institution got a license for), so I'd be open to hear on more example / counter-examples.
-Shawn On Saturday, December 6, 2014 7:01:32 PM UTC-5, Joachim Durchholz wrote: > > Am 06.12.2014 um 17:03 schrieb Yuxiang Wang: > > Hi Richard, > > > > I do get your point that we don't have to make the same mistake with > other > > systems, but I do think there is a benefit for consistency, if they have > a > > purpose in doing that design. For most systems, sqrt() returns the > > principal/positive square root, so there is only one unique value. > > What's your list of "most" systems? > 'cause numeric evaluation is quite different from symbolic math, and I > suspect that those "most" systems are those that do numeric calculations > - but that's just a hunch and I'd like to know for sure. > -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/ec5eb5f8-b8e3-4c9f-904b-544aed270a89%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
