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

ndarray.reshape(shape, order='C') Returns an array containing the same data with a new shape. Refer to

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

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

ndarray.__iand__ x.__iand__(y) <==> x&=y

ndarray.__reduce__() For pickling.

ndarray.getfield(dtype, offset=0) Returns a field of the given array as a certain type. A field is a view of the

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

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

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