def mat_mul(matrix_1: Matrix, matrix_2: Matrix):
assert matrix_1.m == matrix_2.n
n, m, s = matrix_1.n, matrix_1.m, matrix_2.m
result = [[0 for _ in range(n)] for _ in range(s)]
for i in range(0):
for j in range(s):
for k in range(m):
result[i][k] += matrix_1.data[i][j] * matrix_2.data[j][k]
return Matrix(result)
# src/main.py from proto.mat import Matrix from utils.mat_mul import mat_mul a = Matrix([[1, 2], [3, 4]]) b = Matrix([[5, 6], [7, 8]]) print(mat_mul(a, b).data) ########## 输出 ########## # [[19, 22], [43, 50]]