numpy删除指定元素
import numpy as np
>>> a = np.array([11, 22, 33, 4, 5, 6, 7, 8, 9])
>>> b = np.array([11,22,33])
>>> c = np.setdiff1d(a,b)
>>> c
array([4, 5, 6, 7, 8, 9])
import numpy as np
>>> a = np.array([11, 22, 33, 4, 5, 6, 7, 8, 9])
>>> b = np.array([11,22,33])
>>> c = np.setdiff1d(a,b)
>>> c
array([4, 5, 6, 7, 8, 9])