sympy
https://github.com/sympy/sympy
Python
A computer algebra system written in pure Python
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- Issues
- Should subs match bound dummy variables?
- Sympy caching isn't unique/ clear_cache misses part of the cache
- Add a guard against people using * in LaTeX in the docs
- It needs to be possible to create an empty Plot object
- simplification of sign(x) * Abs(x) for non-zero x
- is_integer produces random results
- Update documents with examples for initialization of multiple ReferenceFrames and Points
- sympify() doesn't call _sympy_ on objects created from strings
- Expectation of a binomial random variable conditional on things it shouldn't need to be
- diag() creates a dense matrix but documentation says sparse
- Docs
- Python not yet supported