# sympy

https://github.com/sympy/sympy

## Python

A computer algebra system written in pure Python

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## Help out

- Issues
- sympy.Matrix.inv has numerical problems on invertible matrix (compared with numpy)
- mathml(Matrix([0,1,2])) gives back error
- simplification of binomial (0,m) gives 0
- Update sympy section of scipy-lectures.org
- expr_to_holonomic(sqrt(a*x), x=x).to_expr() gives incorrect result
- PolynomialDivisionFailed from dsolve
- [WIP] transolve : Transcendental equation solver
- Easier way to list all possible (old) assumptions in code
- Bug in solve maybe
- Solution of 0**x + a should be EmptySet
- Formula for tiling a chessboard with dominos
- Different result of limit after simplify
- factor_list is not able to check const which is not a `number`
- Fixes issue no 11442 | is_EmptySet returns only True or False now
- Exponent doesn't fully simplify
- [WIP] Spatial vector functions
- "Piecewise((1,Eq(data[0],0)), (-1,True))" fails where "data" is a matrix
- Eigenvals of a symmetric real matrix
- Add multinomial distribution to sympy.stats
- cancel on expressions with exponentials

- Docs