matrix.tobytes(order='C') Construct Python bytes containing the raw data bytes in the array. Constructs Python bytes

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

recarray.field(attr, val=None)

record.ndim number of array dimensions

generic.base base object

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

MaskedArray.__ror__ x.__ror__(y) <==> y|x

matrix.sort(axis=-1, kind='quicksort', order=None) Sort an array, in-place.

ndarray.__array_wrap__(obj) ? Object of same type as ndarray object a.

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