25 lines
528 B
Python
25 lines
528 B
Python
|
# Program to multiply two matrices using nested loops
|
||
|
|
|
||
|
|
# 3x3 matrix
|
||
|
|
X = [[12,7,3],
|
||
|
|
[4 ,5,6],
|
||
|
|
[7 ,8,9]]
|
||
|
|
# 3x4 matrix
|
||
|
|
Y = [[5,8,1,2],
|
||
|
|
[6,7,3,0],
|
||
|
|
[4,5,9,1]]
|
||
|
|
# result is 3x4
|
||
|
|
result = [[0,0,0,0],
|
||
|
|
[0,0,0,0],
|
||
|
|
[0,0,0,0]]
|
||
|
|
|
||
|
|
# iterate through rows of X
|
||
|
|
for i in range(len(X)):
|
||
|
|
# iterate through columns of Y
|
||
|
|
for j in range(len(Y[0])):
|
||
|
|
# iterate through rows of Y
|
||
|
|
for k in range(len(Y)):
|
||
|
|
result[i][j] += X[i][k] * Y[k][j]
|
||
|
|
|
||
|
|
for r in result:
|
||
|
|
print(r)
|