sympy
https://github.com/sympy/sympy
Python
A computer algebra system written in pure Python
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- Issues
- Wrong nargs for Function with *args
- Purpose of ArgumentIndexError
- Unevaluated matrix multiplication
- Sparse poly gcd fails with `HeuristicGCDFailed('no luck')`
- solve might fail when Abs is involved
- Disabling branch creation
- experimental_lambdify.py:188: UserWarning: The evaluation of the expression is problematic.
- `pycode` gives wrong code when using `sympy.codegen.ast.Assignment` with a `Piecewise` expression
- make `quantity_simplify()` able to simplify more complex expressions
- Complex expressions with mixed units with the same dimensionality don't auto evaluate/cancel out.
- Docs
- Python not yet supported