Re: [sympy] Can't involk mpmath after successfully installed sympy

In the development version of SymPy, which is what you have installed, sympy.mpmath has been removed. mpmath is now an external library, so you need to install and import it separately, as you have done. The two versions are exactly the same (there haven't been any mpmath releases in a while). mp

[sympy] Can't involk mpmath after successfully installed sympy

I have asked this question on stackexchange overflow. The link is: here . It got not much attention, so I ask it here. Please don't be annoyed. If I got an answer in either place, I'll link it to the ot

Re: [sympy] SymmetricGroup's "in" and ".contains", and reason for working a certain way

On Thu, Dec 10, 2015 at 7:03 AM, Gaurav Dhingra wrote: > Hi everyone > from sympy.combinatorics.named_groups import SymmetricGroup s_4 = SymmetricGroup(4) # symmetricGroup of order 4 > p = Permutation(1, 2, 3) p in s_4 > False > s_4.contains(p) > True I'm guessi

[sympy] SymmetricGroup's "in" and ".contains", and reason for working a certain way

Hi everyone >>> from sympy.combinatorics.named_groups import SymmetricGroup >>> s_4 = SymmetricGroup(4) # symmetricGroup of order 4 >>> p = Permutation(1, 2, 3) >>> p in s_4 False >>> s_4.contains(p) True Regarding my second question: I am aware that contrary to GAP, which makes Group