Chebyshev.truncate(size)

numpy.ma.polyfit(x, y, deg, rcond=None, full=False, w=None, cov=False)

classmethod Chebyshev.identity(domain=None, window=None)

classmethod Legendre.cast(series, domain=None, window=None)

numpy.isinf(x[, out]) = Test element-wise for positive or negative infinity. Returns a boolean array of the same shape as x

numpy.linalg.eig(a)

numpy.linalg.matrix_rank(M, tol=None)

numpy.polynomial.legendre.leg2poly(c)

numpy.core.records.fromstring(datastring, dtype=None, shape=None, offset=0, formats=None, names=None, titles=None, aligned=False,

classmethod Hermite.fromroots(roots, domain=[], window=None)