lhye200/CalWay_Python
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lwj
2025-06-14 12:00:48 +08:00
parent 852ee942ef
commit a7213b61d4
2 changed files with 2 additions and 1 deletions
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2
227-8.py
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@@ -19,7 +19,7 @@ def Dot(A,B):
return None return None
return [[sum([A[i][j] * B[j][k] for j in range(len(A[0]))]) for k in range(len(B[0]))] for i in range(len(A))] return [[sum([A[i][j] * B[j][k] for j in range(len(A[0]))]) for k in range(len(B[0]))] for i in range(len(A))]
#改成题干的矩阵##########################
if __name__ == "__main__": if __name__ == "__main__":
A = [[1, 3], [-2, 4]] A = [[1, 3], [-2, 4]]
x = [[1], [-1]] x = [[1], [-1]]

1
228-12.py
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@@ -51,6 +51,7 @@ def Det(A):
det += ((-1) ** c) * A[0][c] * Det(sub_matrix) det += ((-1) ** c) * A[0][c] * Det(sub_matrix)
return det return det
#把矩阵换成题干的矩阵#########################
if __name__ == "__main__": if __name__ == "__main__":
A =[ A =[
[1,0,1], [1,0,1],