Polynomials

Polynomial Package

Polynomial Module

cupy.polynomial.polynomial.polyvander	Computes the Vandermonde matrix of given degree.
cupy.polynomial.polynomial.polycompanion	Computes the companion matrix of c.

Polyutils

cupy.polynomial.polyutils.as_series	Returns argument as a list of 1-d arrays.
cupy.polynomial.polyutils.trimseq	Removes small polynomial series coefficients.
cupy.polynomial.polyutils.trimcoef	Removes small trailing coefficients from a polynomial.

Poly1d

Basics

cupy.poly1d	A one-dimensional polynomial class.
cupy.polyval	Evaluates a polynomial at specific values.
cupy.roots	Computes the roots of a polynomial with given coefficients.

Fitting

cupy.polyfit

Returns the least squares fit of polynomial of degree deg to the data y sampled at x.

Arithmetic

cupy.polyadd	Computes the sum of two polynomials.
cupy.polysub	Computes the difference of two polynomials.
cupy.polymul	Computes the product of two polynomials.