[sympy] ANN: First release of combi, a combinatorics package for Python

2014-11-22 Thread cool-RR
Hi everyone, Just a quick announcement: Last week I made the first release of an open-source package called Combi. It's a package for doing combinatorics in Python. Combi lets you explore spaces of permutations and combinations as if they were Python sequences, but without generating all the

[sympy] Re: `sympy.statistics.distributions.PDF`

2010-10-12 Thread cool-RR
On Oct 7, 4:48 am, "Chris Smith" wrote: > p.s. There is a less robust module discussed at > > http://code.activestate.com/recipes/535164-error-propagating-class-fo... > > It is perhaps worthwhile to read to become aware of some of the issues. > > /c >From that page there was a link to Eric-Olivie

[sympy] `sympy.statistics.distributions.PDF`

2010-10-06 Thread cool-RR
Hello, I noticed that `sympy.statistics.distributions.PDF._random` just raises `NotImplementedError`. Is there a reason it was not implemented? Is it because no-one got around to it or is there some problem in implmenting it? Also, I noticed that `PDF` does not appear on the documentation page: