polynomial¶

This module includes a Polynomial class for dealing with polynomial arithmetics, and a set of functions for creating and manipulating polynomials.

Polynomial Class¶

Polynomial: A Polynomial class.

Basics¶

polyval: Evaluate polynomial at point(s) x.
polyroots: Compute the roots of a polynomial.
polyfromroots: Build a polynomial from its roots.

Fitting¶

polyfit: Least squares polynomial fit.
polyvander: Vandermonde matrix of given degree.

Calculus¶

polyder: Differentiate a polynomial.
polyint: Integrate a polynomial.

Algebra¶

polyadd: Add two polynomials.
polysub: Substract two polynomials.
polymul: Multiply two polynomials.
polydiv: Divide two polynomials.
polymulx: Multiply a polynomial by \(X\).
polypow: Raise a polynomial to a power.

Miscellaneous¶

polycompanion: Compute the companion matrix of a polynomial.
polytrim: Remove trailing coefficients from a polynomial.