poly1d(c_or_r[, r, variable])
poly1d
A one-dimensional polynomial class.
polyval(p, x)
polyval
Evaluate a polynomial at specific values.
poly(seq_of_zeros)
poly
Find the coefficients of a polynomial with the given sequence of roots.
roots(p)
roots
Return the roots of a polynomial with coefficients given in p.
polyfit(x, y, deg[, rcond, full, w, cov])
polyfit
Least squares polynomial fit.
polyder(p[, m])
polyder
Return the derivative of the specified order of a polynomial.
polyint(p[, m, k])
polyint
Return an antiderivative (indefinite integral) of a polynomial.
polyadd(a1, a2)
polyadd
Find the sum of two polynomials.
polydiv(u, v)
polydiv
Returns the quotient and remainder of polynomial division.
polymul(a1, a2)
polymul
Find the product of two polynomials.
polysub(a1, a2)
polysub
Difference (subtraction) of two polynomials.
RankWarning
Issued by polyfit when the Vandermonde matrix is rank deficient.