Python Program to Multiply Two Matrices

This Python program specifies how to multiply two matrices, having some certain values.

Matrix multiplication:

Matrix multiplication is a binary operation that uses a pair of matrices to produce another matrix. The elements within the matrix are multiplied according to elementary arithmetic.

See this example:

 
X = [[1,2,3],
       [4,5,6],
       [7,8,9]]

Y = [[10,11,12],
      [13,14,15],
      [16,17,18]]

Result = [[0,0,0],
               [0,0,0],
              [0,0,0]]

# iterate through rows of X
for i in range(len(X)):
   for j in range(len(Y[0])):
       for k in range(len(Y)):
           result[i][j] += X[i][k] * Y[k][j]
for r in result:
   print(r)

Output:

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