On Tue, Feb 17, 2015 at 7:14 AM, Pablo De Napoli <pden...@gmail.com> wrote: > Many thanks Nils for your help. > > I think that is important that sage has consistent and easy to use > interfaces, that functions do what most people would expect them to do > at every place. Specially if we want it to be used in calculus > classes, etc. > > Writing something like > > SR(0).function(x) > > instead of > > ConstantFunction(0) > > is not what most mathematicians or students would do, I guess. Maybe > there is something to improve here. >
Agreed. The Piecewise class is very old and needs to be rewritten. I think it even predates the nice symbolic function interface Sagemath has. > Pablo > > > > > > On Mon, Feb 16, 2015 at 1:39 PM, Nils Bruin <nbr...@sfu.ca> wrote: >> On Monday, February 16, 2015 at 8:33:49 AM UTC-8, Nils Bruin wrote: >>> >>> >>> f3=Piecewise([([0,1],SR(0).function(x)),([1,2],(1-x).function(x))]) >> >> >> Incidentally, the Piecewise documentation, which you can get with >> "Piecewise?" , has a nice shortcut form: >> >> sage: f3 = Piecewise([([0,1],SR(0)), ([1,2],1-x)], x) >> >> (unfortunately it is necessary to write "SR(0)" there) >> >> -- >> You received this message because you are subscribed to the Google Groups >> "sage-devel" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to sage-devel+unsubscr...@googlegroups.com. >> To post to this group, send email to sage-devel@googlegroups.com. >> Visit this group at http://groups.google.com/group/sage-devel. >> For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "sage-devel" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-devel+unsubscr...@googlegroups.com. > To post to this group, send email to sage-devel@googlegroups.com. > Visit this group at http://groups.google.com/group/sage-devel. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
