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37 lines
850 B
Python
37 lines
850 B
Python
def add(matrix_a, matrix_b):
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rows = len(matrix_a)
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columns = len(matrix_a[0])
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matrix_c = []
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for i in range(rows):
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list_1 = []
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for j in range(columns):
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val = matrix_a[i][j] + matrix_b[i][j]
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list_1.append(val)
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matrix_c.append(list_1)
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return matrix_c
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def multiply(matrix_a, matrix_b):
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matrix_c = []
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n = len(matrix_a)
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for i in range(n):
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list_1 = []
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for j in range(n):
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val = 0
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for k in range(n):
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val = val + matrix_a[i][k] * matrix_b[k][j]
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list_1.append(val)
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matrix_c.append(list_1)
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return matrix_c
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def main():
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matrix_a = [[12, 10], [3, 9]]
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matrix_b = [[3, 4], [7, 4]]
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print(add(matrix_a, matrix_b))
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print(multiply(matrix_a, matrix_b))
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if __name__ == '__main__':
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main()
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