How To Add Numpy Arrays ? Table Of Contents: ‘+’  Operator np.concatenate() (1) ‘+’ Operator The  ‘+’ operator will ‘sum’ the elements of numpy array. Example-1 a = np.array([1,2,3,4,5]) b = np.array([6,7,8,9,10]) a + b Output: array([ 7, 9, 11, 13, 15]) Example-2 a = np.array([1,2,3,4,5]) b = np.array([6,7,8,9,10]) c = np.array([11,12,13,14,15]) a + b + c Output: array([18, 21, 24, 27, 30]) (2) np.concatenate() Join a sequence of arrays along an existing axis. Syntax: numpy.concatenate((a1, a2, …), axis=0, out=None, dtype=None, casting="same_kind") Parameters: a1, a2, …sequence of array_like –  The arrays must have the same shape, except in the dimension

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