有这个问题的麻烦 . 我不知道出了什么问题 . 这看起来有点太复杂了，我收到了错误 . 我实际上是用维基百科的伪代码做的 .
import numpy as np
import math
A = [[5,1,0,2,1],[0,4,0,1,2],[1,1,4,1,1],[0,1,2,6,0],[0,0,1,2,4]]
b = [[1],[2],[3],[4],[5]]
def swap_rows(A,i,j):
temp = A[i]
A[i]=A[j]
A[j] = temp
return(A)
def Gauss(A):
n = len(A)
for k in range(n):
myList = []
for p in range(k,n):
myList.append(abs(A[p][k]))
i_max = np.argmax(myList)
if A[i_max][k] == 0:
print('Error: Matrix is singular')
return
A = swap_rows(a,k,i_max)
for i in range(k,n):
f = (A[i][k])/(A[k][k])
for j in range(k,n):
A[i][j] = A[i][j]-A[k][j]*f
A[i][k] = 0
return(A)
Gauss(A)