Polynomials

Hint

NumPy API Reference: Polynomials

Power Series (cupy.polynomial.polynomial)

Hint

NumPy API Reference: Power Series (numpy.polynomial.polynomial)

Misc Functions

polyvander(x, deg)	Computes the Vandermonde matrix of given degree.
polycompanion(c)	Computes the companion matrix of c.
polyval(x, c[, tensor])	Evaluate a polynomial at points x.
polyvalfromroots(x, r[, tensor])	Evaluate a polynomial specified by its roots at points x.

Polyutils

Hint

NumPy API Reference: Polyutils

Functions

as_series(alist[, trim])	Returns argument as a list of 1-d arrays.
trimseq(seq)	Removes small polynomial series coefficients.
trimcoef(c[, tol])	Removes small trailing coefficients from a polynomial.

Poly1d

Hint

NumPy API Reference: Poly1d

Basics

poly1d(c_or_r[, r, variable])	A one-dimensional polynomial class.
cupy.poly(seq_of_zeros)	Computes the coefficients of a polynomial with the given roots sequence.
polyval(p, x)	Evaluates a polynomial at specific values.
roots(p)	Computes the roots of a polynomial with given coefficients.

Fitting

polyfit(x, y, deg[, rcond, full, w, cov])

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

Arithmetic

polyadd(a1, a2)	Computes the sum of two polynomials.
polysub(a1, a2)	Computes the difference of two polynomials.
polymul(a1, a2)	Computes the product of two polynomials.