Addition of two matrices in python with user input

 

Addition of two matrices in python

In [1]:

A = []

B = []

​

r1 = int(input('Enter the number of rows of first matrix: '))

c1 = int(input('Enter the number of cloumns of first matrix: '))

print('Enter the elements of the first matrix: ')

for i in range(0, r1):

    row = []

    for j in range(0, c1):

        row.append(int(input()))

    A.append(row)

​

print ('First entered matrix is: ')

for i in range(0, r1):

    for j in range(0, c1):

        print(A[i][j], end = " ")

    print()

​

r2 = int(input('Enter the number of rows of second matrix: '))

c2 = int(input('Enter the number of columns of second matrix: '))

print ('Enter the elements of the second entered matrix: ')

for i in range(0, r2):

    row = []

    for j in range(0, c2):

        row.append(int(input()))

    B.append(row)

print ('Second entered matrix is: ')

for i in range(0, r2):

    for j in range(0, c2):

        print (B[i][j], end = " ")

    print()

​

if r1 != r2 and c1 != c2:

    print('Addition is not possible because the dimensions are not same')

else:

    print('Addition is possible.')

    res = []

    for i in range(0, r1):

        row = []

        for j in range(0, c1):

            row.append(A[i][j] + B[i][j])

        res.append(row)

​

    print ('Summation of the two given matrix is: ')

    for i in range(0, r1):

        for j in range(0, c1):

            print (res[i][j], end = " ")

        print()

Enter the number of rows of first matrix: 2
Enter the number of cloumns of first matrix: 3
Enter the elements of the first matrix: 
3
4
5
4
5
6
First entered matrix is: 
3 4 5 
4 5 6 
Enter the number of rows of second matrix: 2
Enter the number of columns of second matrix: 3
Enter the elements of the second entered matrix: 
4
5
6
6
7
8
Second entered matrix is: 
4 5 6 
6 7 8 
Addition is possible.
Summation of the two given matrix is: 
7 9 11 
10 12 14