numpy.fft.ifftn(a, s=None, axes=None, norm=None)

numpy.diag_indices_from(arr)

Legendre.roots()

numpy.tanh(x[, out]) = Compute hyperbolic tangent element-wise. Equivalent to np.sinh(x)/np.cosh(x) or -1j

numpy.polynomial.chebyshev.chebmul(c1, c2)

numpy.irr(values)

Hermite.trim(tol=0)

MaskedArray.prod(axis=None, dtype=None, out=None)

numpy.unique(ar, return_index=False, return_inverse=False, return_counts=False)

numpy.polynomial.hermite.herm2poly(c)