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lwj
2025-06-13 21:30:09 +08:00
parent 01e3e1732b
commit 8e324a6cd2
3 changed files with 8 additions and 6 deletions
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227-4.py
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@@ -22,7 +22,7 @@ def SqrtSolve(A,b):
for k in range(j):
L[getIndexFromDownMatrix(i,j)] -= L[getIndexFromDownMatrix(i,k)]*L[getIndexFromDownMatrix(j,k)]
L[getIndexFromDownMatrix(i,j)] /= L[getIndexFromDownMatrix(j,j)]
print(L)
for i in range(n):
for k in range(i):
b[i] -= L[getIndexFromDownMatrix(i,k)]*b[k]
@@ -34,7 +34,7 @@ def SqrtSolve(A,b):
b[i] /= L[getIndexFromDownMatrix(i,i)]
return b
#把A,b换成题干的数值###########################################
if __name__ == "__main__":
# 储存下三角矩阵 a11, a21, a22, a31, a32, a33 ...
A = [4,2,2,-2,-3,14]