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Kronecker product: Difference between revisions
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(0 0 0 0 1 0 0 1 0 0 0 0)
(0 0 0 0 1 1 1 1 0 0 0 0)</pre>
=={{header|Python}}==
<lang Python>
#!/usr/bin/env python3
# Sample 1
a1 = [[1, 2], [3, 4]]
b1 = [[0, 5], [6, 7]]
# Sample 2
a2 = [[0, 1, 0], [1, 1, 1], [0, 1, 0]]
b2 = [[1, 1, 1, 1], [1, 0, 0, 1], [1, 1, 1, 1]]
def kronecker(matrix1, matrix2):
final_list = []
sub_list = []
count = len(matrix2)
for elem1 in matrix1:
counter = 0
check = 0
while check < count:
for num1 in elem1:
while True:
for num2 in matrix2[counter]:
sub_list.append(num1 * num2)
break
counter += 1
final_list.append(sub_list)
sub_list = []
check +=1
return final_list
# Result 1
result1 = kronecker(a1, b1)
for elem in result1:
print(elem)
print("")
# Result 2
result2 = kronecker(a2, b2)
for elem in result2:
print(elem)
</lang>
Result:
<pre>
[0, 5, 0, 10]
[6, 7, 12, 14]
[0, 15, 0, 20]
[18, 21, 24, 28]
[0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0]
[0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0]
[0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0]
[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1]
[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0]
[0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0]
[0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0]
</pre>
=={{header|R}}==
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