A Python package for polynomials.

>>> from poly import polyval
>>> from fractions import Fraction
>>> p = (Fraction(1, 2), Fraction(3, 4))
>>> x = Fraction(5, 6)
>>> polyval(p, x)
Fraction(9, 8)

pip install git+https://github.com/goessl/poly.git

Enjoy the documentation webpage.

This package heavily depends on and is the natural extension of goessl/vector.

Coefficients are stored in ascending order like every sane person would do.

This ways the coefficient indices correspond to the monomial exponent (or the basis index incase of Hermite polynomials).

The newer numpy.polynomial does it this way, the older numpy.poly1d does it in reverse. sympy also does it the wrong way.

• Modules
  • Hermite polynomials module
  • Object oriented module
  • Parallelised module
  • Multivariate module
• Documentation
  • [polymul_karatsuba][poly.functional.polymul_karatsuba]
  • Consistent See also links
  • Consistent use of Horner / Clenshaw
• Algorithms
  • polysqrt
  • polyroots only if there is a clean algorithm
  • Knuth–Eve evaluation
  • Taylor shift
  • Complexity analysis

Copyright (c) 2024-2025 Sebastian Gössl

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

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