ndarray.max(axis=None, out=None) Return the maximum along a given axis. Refer to

ndarray.prod(axis=None, dtype=None, out=None, keepdims=False) Return the product of the array elements over the given axis

ndarray.round(decimals=0, out=None) Return a with each element rounded to the given number of decimals.

ndarray.item(*args) Copy an element of an array to a standard Python scalar and return it.

ndarray.base Base object if memory is from some other object. Examples The base of an array

ndarray.argsort(axis=-1, kind='quicksort', order=None) Returns the indices that would sort this array. Refer to

ndarray.dumps() Returns the pickle of the array as a string. pickle.loads or numpy.loads will convert the string back to

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

ndarray.ravel([order]) Return a flattened array. Refer to

ndarray.__int__() <==> int(x)