NumPy-broadcasting.py

#NumPy Broadcasting :-
#Broadcasting is a NumPy mechanism that allows arrays of different shapes and sizes to perform arithmetic operations together by automatically expanding the smaller array to match the larger array's dimensions without copying data

import numpy as np
a=np.array([1,2,3])
b=np.array([[1],[2],[3]])
print(a,b)
print(a+b)

                               #Output:- [1 2 3] [[1]
                               #                  [2]
                               #                  [3]]
                               #         [[2 3 4]
                               #          [3 4 5]
                               #          [4 5 6]]


import numpy as np
a=np.array([1,2,3])
b=np.array([[1],[2],[3],[4]])
print(a,b)
print(a+b)

                               #Output:- [1 2 3] [[1]
                               #                  [2]
                               #                  [3]
                               #                  [4]]
                               #         [[2 3 4]
                               #          [3 4 5]
                               #          [4 5 6]
                               #          [5 6 7]]