PolyError

Base class for errors in this module.

PolyDomainError

Issued by the generic Poly class when two domains don’t match.

RankWarning

Issued by chebfit when the design matrix is rank deficient.

PolyBase

Base class for all polynomial types.

as_series(alist[, trim])

Return argument as a list of 1-d arrays.

trimseq(seq)

Remove small Poly series coefficients.

trimcoef(c[, tol])

Remove “small” “trailing” coefficients from a polynomial.

getdomain(x)

Return a domain suitable for given abscissae.

mapdomain(x, old, new)

Apply linear map to input points.

mapparms(old, new)

Linear map parameters between domains.