[sympy] Re: An Invitation to Gordian Knot, a mathematics and computing problem solving contest

2014-01-05 Thread SAHIL SHEKHAWAT
thanks for the invitation, BUT Every time i visit the link given by you it says: "You don't have permission to access /threads/gordian-knot/ on this server." it would be nice if i could participate. On Saturday, January 4, 2014 7:01:01 AM UTC+5:30, Threads 2014 wrote: > > Hello everyone! > > > >

[sympy] Finding critical point of Piecewise functions

2014-01-05 Thread Harsh Gupta
I'm working on improving the imageset evaluation for Intervals on https://github.com/sympy/sympy/pull/2723 imagset basically returns the set of possible outputs of a functions given an input set. I want to extend this functionality to piecewise functions. So I want to know if there is a general