从Matlab到Python的转换。列表索引超出范围。

有人知道为什么它告诉我列表索引超出范围吗？我试图“翻译”一个Matlab文件，我创建了列表而不是单元格数组，现在主要的问题在于索引，我觉得它是正确的，我不知道怎么会有问题

#Projection operator Pi
piOperator = np.zeros((N*N, N*N)) 

#Psi0 state
Psi0 = np.zeros((N*N, 1))
for i in xrange(0 , N-1 ):
    aux = np.zeros((N,1)) #Auxiliary vector 
    aux[i]= 1
    A =  np.sqrt(G[:,i])
    psi = []
    P = [] 
    psi.append(np.tensordot(aux, A))
    P.append(np.dot(psi[i],np.transpose(psi[i])))
    piOperator = piOperator + P[i]
    Psi0 = Psi0 + psi[i] 


Psi0 = 1/np.sqrt(N)*Psi0 


---------------------------------------------------------------------------
IndexError                                Traceback (most recent call    last)
<ipython-input-450-0816498ad018> in <module>()
 11     P = []
 12     psi.append(np.tensordot(aux, A))
 ---> 13     P.append(np.dot(psi[i],np.transpose(psi[i])))
 14     piOperator = piOperator + P[i]
 15     Psi0 = Psi0 + psi[i]

 IndexError: list index out of range 

---

每次迭代都要清除psi变量。只需在循环之前初始化它：

#Projection operator Pi
piOperator = np.zeros((N*N, N*N)) 

#Psi0 state
Psi0 = np.zeros((N*N, 1))
psi = []
P = [] 
for i in xrange(0 , N-1 ):
    aux = np.zeros((N,1)) #Auxiliary vector 
    aux[i]= 1
    A =  np.sqrt(G[:,i])
    psi.append(np.tensordot(aux, A))
    P.append(np.dot(psi[i],np.transpose(psi[i])))
    piOperator = piOperator + P[i]
    Psi0 = Psi0 + psi[i] 


Psi0 = 1/np.sqrt(N)*Psi0 

---

每次迭代都要清除psi变量。只需在循环之前初始化它：

#Projection operator Pi
piOperator = np.zeros((N*N, N*N)) 

#Psi0 state
Psi0 = np.zeros((N*N, 1))
psi = []
P = [] 
for i in xrange(0 , N-1 ):
    aux = np.zeros((N,1)) #Auxiliary vector 
    aux[i]= 1
    A =  np.sqrt(G[:,i])
    psi.append(np.tensordot(aux, A))
    P.append(np.dot(psi[i],np.transpose(psi[i])))
    piOperator = piOperator + P[i]
    Psi0 = Psi0 + psi[i] 


Psi0 = 1/np.sqrt(N)*Psi0 

---

你能发布一个完整的代码片段吗？例如，缺少G。您可以发布完整的代码片段吗？例如，G不见了。非常感谢！我真是个傻瓜：）太谢谢你了！我真是个傻瓜：）