sympy
https://github.com/sympy/sympy
Python
A computer algebra system written in pure Python
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- Issues
- inconsistent errors using Quantity()
- Ability to solve modular equations with integer solutions
- sympy.heaviside does not properly get lambdified using numpy backend
- Use SymEngine in Combinatorics
- add `total_degree` thin-wrapper like function to polytools
- Add transform_to method to CoordSys3D
- Fixes #13169- Mod(x**2, x) is not (always) 0
- Vector module: Spherical and cylindrical transformations should have cartesian parent
- degree(multivariate): multivariate expression now requires generator to specified
- CodeBlock.cse() doesn't work for multiple Matrix Assignment
- Fix incorrect factor() of expression with float coefficients
- f(x,g(x)).diff(x,x) produces odd result
- Mod(x**2, x) is not (always) 0
- Replaced bare except with except Exception and AttributeError in case of very specific exception.
- Test failures on Windows
- Can't get explicit expression of the inverse of MatrixSymbol
- clarify Derivative docstring
- AccumBounds needs recreatable str/srepr
- Docstring implementation on line.py
- Dimensional contraction support
- Docs