Re: [sympy] Re: Rails Girls Summer of Code 2016,

2016-01-23 Thread Jason Moore
Harsh, Are you suggesting we should choose these programs instead of GSoC? Or that we should delegate some of our mentors to this program instead of GSoC? If these programs are equivalent to GSoC but target under-represented communities instead of all people, I wouldn't have a problem with us giv

Re: [sympy] Re: Rails Girls Summer of Code 2016,

2016-01-23 Thread Harsh Gupta
Though lack of mentors is a real logistical issue (I can't complain because I won't be mentoring this time). We need to recognize the fact that SymPy, like most of the other FOSS organizations has a serious lack of women participants. I highly recommend a reading of the article "Free as in Sexist

[sympy] Help implementing new associative expression

2016-01-23 Thread Rouslan Korneychuk
I want to implement a new type of expression so that, given: import sympy class MyExpr(sympy.Expr,...): ... a,b,c,x = sympy.symbols('a b c x') e1 = MyExpr(a,b,c) e2 = MyExpr(b,c) this would be so: e1.subs(e2,x) == MyExpr(a,x) I need a new kind of operation because I'm not working with num