ndarray.__lshift__ x.__lshift__(y) <==> x<<y

class numpy.polynomial.polynomial.Polynomial(coef, domain=None, window=None)

ndarray.__long__() <==> long(x)

ndarray.partition(kth, axis=-1, kind='introselect', order=None) Rearranges the elements in the array in such a way that

numpy.ma.append(a, b, axis=None)

numpy.split(ary, indices_or_sections, axis=0)

ndarray.__contains__ x.__contains__(y) <==> y in x

ndarray.__hex__() <==> hex(x)

matrix.var(axis=None, dtype=None, out=None, ddof=0)

MaskedArray.nonzero()