# sympy

https://github.com/sympy/sympy

## Python

A computer algebra system written in pure Python

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## Help out

- Issues
- Suggestion: rewrite power to N as sum
- Problem with matrix element and multiply when integratimg
- Removing of ambiguity in substitution.
- Does SymPy implement Marichev-Adamchik/Mellin method for integration?
- codegen: Braces around nested relationals
- integrate triggers TypeError: as_base_exp() missing 1 required positional argument: 'self
- Fu module doesn't have tan half identity
- [WIP] ``Modified Todd Coxeter`` algorithm implementation in SymPy
- UserWarning plot
- ccode to output expm1, log1p, exp2, log2
- Simple sympy integration does not complete
- horner doesn't factor a term
- Wrong plot 1/(y - x) function
- Add Support for ellipsis in slicing matrices.
- BUG: pde_separate success can depend on order of separated functions
- Implement sum of squares polynomial algorithm
- from_sympy(exp(-x**2)*erf(x)).integrate(x).to_sympy() fails
- HolonomicFunction converts floats to rationals
- How to evaluate a definite integral when to_sympy() fails
- Convergence conditions for integrals using holonomic functions

- Docs