poly1d.deriv(m=1)

numpy.ma.vstack(tup) = Stack arrays in sequence vertically (row wise). Take a sequence of arrays and stack them vertically

RandomState.zipf(a, size=None) Draw samples from a Zipf distribution. Samples are drawn from a Zipf distribution

numpy.polynomial.chebyshev.chebtrim(c, tol=0)

numpy.ma.asanyarray(a, dtype=None)

numpy.ma.asarray(a, dtype=None, order=None)

numpy.polynomial.laguerre.lagval3d(x, y, z, c)

numpy.ma.median(a, axis=None, out=None, overwrite_input=False)

numpy.polynomial.legendre.legpow(c, pow, maxpower=16)

Laguerre.has_samecoef(other)