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