original ) (raw )New in version 1.4.0.
This module provides a number of objects (mostly functions) useful for dealing with Polynomial series, including a Polynomial class that encapsulates the usual arithmetic operations. (General information on how this module represents and works with such polynomials is in the docstring for its “parent” sub-package, numpy.polynomial).
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Polynomial (coef[, domain, window])A power series class.
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polyval (x, c[, tensor])Evaluate a polynomial at points x.
polyval2d (x, y, c)Evaluate a 2-D polynomial at points (x, y).
polyval3d (x, y, z, c)Evaluate a 3-D polynomial at points (x, y, z).
polygrid2d (x, y, c)Evaluate a 2-D polynomial on the Cartesian product of x and y.
polygrid3d (x, y, z, c)Evaluate a 3-D polynomial on the Cartesian product of x, y and z.
polyroots (c)Compute the roots of a polynomial.
polyfromroots (roots)Generate a monic polynomial with given roots.
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polyfit (x, y, deg[, rcond, full, w])Least-squares fit of a polynomial to data.
polyvander (x, deg)Vandermonde matrix of given degree.
polyvander2d (x, y, deg)Pseudo-Vandermonde matrix of given degrees.
polyvander3d (x, y, z, deg)Pseudo-Vandermonde matrix of given degrees.
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polyder (c[, m, scl, axis])Differentiate a polynomial.
polyint (c[, m, k, lbnd, scl, axis])Integrate a polynomial.
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polyadd (c1, c2)Add one polynomial to another.
polysub (c1, c2)Subtract one polynomial from another.
polymul (c1, c2)Multiply one polynomial by another.
polymulx (c)Multiply a polynomial by x.
polydiv (c1, c2)Divide one polynomial by another.
polypow (c, pow[, maxpower])Raise a polynomial to a power.