MaskedArray.tobytes(fill_value=None, order='C')

numpy.ma.maximum_fill_value(obj)

numpy.nonzero(a)

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

numpy.triu_indices_from(arr, k=0)

Hermite.has_sametype(other)

numpy.packbits(myarray, axis=None) Packs the elements of a binary-valued array into bits in a uint8 array. The result

numpy.ravel_multi_index(multi_index, dims, mode='raise', order='C') Converts a tuple of index arrays into an array

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

numpy.modf(x[, out1, out2]) = Return the fractional and integral parts of an array, element-wise. The fractional and integral