求4,8,16,32....个向量的平均

m = [[0] * np.array(e).shape[1] for i in range(np.array(e).shape[0])]
j = 0
if np.array(e).shape[0] % 2 == 0:
     for i in range(0, int(len(e) / 2) , 2):
         print('-', i)
         m[j] = mean_(e[i], e[i + 1])
         j += 1
     m = np.array(m)
     m = m[[not np.all(m[i] == 0) for i in range(m.shape[0])], :]
     if np.array(m).shape[0] == 1:
         return m
 else:
     for i in range(0, int(len(e) / 2)+1, 2):
         print('--', i)
         m[j] = mean_(e[i], e[i + 1])
         j += 1
     m = np.array(m)
     m = m[[not np.all(m[i] == 0) for i in range(m.shape[0])], :]
     m1 = mean_eigenvectors(m)
     m1 = np.array(m1)
     m1 = m1[[not np.all(m1[i] == 0) for i in range(m1.shape[0])], :]
     if m1.shape[0] == 1:         
         m0 = mean_(m1, e[-1])
     return m0