symengine.py

symengine.py copied to clipboard

Copying/pickling regression in 0.14

5

In PyCalphad, we have some tests that test deepcopying/pickling and our tests have been showing a regression for SymEngine 0.14 on Windows only across Python versions. I haven't been able...

bocklund

Floats are equal, but their hash is different

7

It generally holds that if two hashable objects are equal, their hashes must be the same. It seems that python builtin `float` and `symengine.Float` violate this rule: ```python from symengine...

Darkdragon84

I wish to work with the canonical form of the polygamma function when it is being evaluated. Namely, $$\textrm{polygamma}(m,n)=(-1)^{m+1}m!\zeta(m+1,n)$$, with $\zeta(m+1,n)$ the Hurwitz Zeta function. This is in turn related...

michaelstepniczka

Module library Error.

2

every time I want to import **symengine** on my code it gives me this error. `ImportError: DLL load failed while importing symengine_wrapper: The specified module could not be found.`

sou200

Question: Harmonic Expressions in SymEngine and significant slowdowns when compared to SymPy 1.11.1

1

Hello, I was wondering about the difference in standards with outputs in SymEngine and SymPy when it comes to evaluating gamma functions and their derivatives. In particular, I am interested...

michaelstepniczka

`is_real` is None when sympyfing a sympy Symbols where `real=True`

3

doppioandante

Inconsistent return type when lambdifying 2D symbolic arrays/matrices

3

I don't know if this is intentional, but using lambdify with `symengine` on a 2d symbolic ndarray or matrix creates a function that does not return a 2d ndarray. Instead,...

YulienPohl