# MatrixMultiplication
Mat_A = []
Mat_B = []
Mat_Mul = []
print("Enter number of rows and columns :")
r1 = int(input("Matrix 1 - Row : "))
c1 = int(input("Matrix 1 - Column : "))
r2 = int(input("Matrix 2 - Row : "))
c2 = int(input("Matrix 2 - Column : "))
# Multiplication
if (c1 != r2):
print("Rows and columns do not match.")
print("Cannot multiply.")
else:
print("Matrix A - Enter values : ")
for i in range(0,r1,1):
tmp = []
for j in range(0,c1,1):
ele = int(input())
tmp.append(ele)
Mat_A.append(tmp)
print("Matrix B - Enter values : ")
for i in range(0,r2,1):
tmp = []
for j in range(0,c2,1):
ele = int(input())
tmp.append(ele)
Mat_B.append(tmp)
for i in range(0,r1,1):
tmp = []
for j in range(0,c2,1):
ele = 0
for k in range(0,c1,1):
ele = ele + (Mat_A[i][k] * Mat_B[k][j])
tmp.append(ele)
Mat_Mul.append(tmp)
print("Product of given matrices : ")
for row in Mat_Mul:
for ele in row:
print(ele, end=" ")
print()
Mat_A = []
Mat_B = []
Mat_Mul = []
print("Enter number of rows and columns :")
r1 = int(input("Matrix 1 - Row : "))
c1 = int(input("Matrix 1 - Column : "))
r2 = int(input("Matrix 2 - Row : "))
c2 = int(input("Matrix 2 - Column : "))
# Multiplication
if (c1 != r2):
print("Rows and columns do not match.")
print("Cannot multiply.")
else:
print("Matrix A - Enter values : ")
for i in range(0,r1,1):
tmp = []
for j in range(0,c1,1):
ele = int(input())
tmp.append(ele)
Mat_A.append(tmp)
print("Matrix B - Enter values : ")
for i in range(0,r2,1):
tmp = []
for j in range(0,c2,1):
ele = int(input())
tmp.append(ele)
Mat_B.append(tmp)
for i in range(0,r1,1):
tmp = []
for j in range(0,c2,1):
ele = 0
for k in range(0,c1,1):
ele = ele + (Mat_A[i][k] * Mat_B[k][j])
tmp.append(ele)
Mat_Mul.append(tmp)
print("Product of given matrices : ")
for row in Mat_Mul:
for ele in row:
print(ele, end=" ")
print()
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