matrix.dot(b, out=None) Dot product of two arrays. Refer to

class numpy.ndarray

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

generic.setfield() Not implemented (virtual attribute) Class generic exists solely to derive numpy scalars from

ndarray.dtype Data-type of the array?s elements.

ndarray.__setstate__(version, shape, dtype, isfortran, rawdata) For unpickling.

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

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

record.dtype dtype object

recarray.tofile(fid, sep="", format="%s") Write array to a file as text or binary (default). Data is always written