On Sun, Aug 9, 2009 at 12:24 PM, Simon King <simon.k...@nuigalway.ie> wrote:
> > Hi! > > On Aug 8, 11:50 am, Golam Mortuza Hossain <gmhoss...@gmail.com> wrote: > ... > > Now if I say "f(x, x) = x" then from the output above I would > > get "2". > > Is it *possible* to say "f(x,x)=x"? What is it supposed to mean? > > - A function on one variable x, written down in an odd way? > - A function whose domain is the diagonal in CC^2 ? > - Or is it "get two input parameters, pick one and return it"? > > Apparently, it is the third option: > sage: f(x,x)=x > sage: f > (x, x) |--> x > sage: f(2,1) > 1 > > This seems odd to me. > > Why is the definition > sage: f(x,x)=x > not resulting in an error? > > Or, if f(x,x)=x is really intended to be a function on the diagonal, > then f(2,1) should result in an error. Good point. I am very surprised this isn't just an error. William --~--~---------~--~----~------------~-------~--~----~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
