matrix.size Number of elements in the array. Equivalent to np.prod(a.shape), i.e., the product of the

numpy.ma.is_mask(m)

record.choose() Not implemented (virtual attribute) Class generic exists solely to derive numpy scalars from, and

numpy.polynomial.legendre.legline(off, scl)

numpy.polynomial.laguerre.lagline(off, scl)

numpy.polynomial.hermite_e.hermevander3d(x, y, z, deg)

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

ndarray.cumsum(axis=None, dtype=None, out=None) Return the cumulative sum of the elements along the given axis. Refer

recarray.trace(offset=0, axis1=0, axis2=1, dtype=None, out=None) Return the sum along diagonals of the array. Refer

recarray.nonzero() Return the indices of the elements that are non-zero. Refer to