浣跨敤NumPy搴撲腑鐨?code>delete()鍑芥暟鍙互鍒犻櫎鎸囧畾鐨勫厓绱犮€?code>delete()鍑芥暟鐨勭敤娉曞涓嬶細

numpy.delete(arr, obj, axis=None)

鍏朵腑锛?code>arr鏄鎿嶄綔鐨勬暟缁勶紝obj鏄鍒犻櫎鐨勫厓绱犵殑绱㈠紩鎴栧垏鐗囧璞★紝axis鏄鍒犻櫎鐨勮酱銆傚鏋?code>axis鏈寚瀹氾紝鍒欏皢鏁扮粍灞曞紑涓轰竴缁存暟缁勶紝鐒跺悗鍒犻櫎鎸囧畾鐨勫厓绱犮€?/p>

涓嬮潰鏄竴涓ず渚嬶紝婕旂ず浜嗗浣曚娇鐢?code>delete()鍑芥暟鍒犻櫎鎸囧畾鐨勫厓绱狅細

import numpy as np

arr = np.array([1, 2, 3, 4, 5])
new_arr = np.delete(arr, 2)  # 鍒犻櫎绱㈠紩涓?鐨勫厓绱?/span>
print(new_arr)  # 杈撳嚭: [1 2 4 5]

arr = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])
new_arr = np.delete(arr, 1, axis=0)  # 鍒犻櫎绗?琛?/span>
print(new_arr)
# 杈撳嚭:
# [[1 2 3]
#  [7 8 9]]

new_arr = np.delete(arr, 1, axis=1)  # 鍒犻櫎绗?鍒?/span>
print(new_arr)
# 杈撳嚭:
# [[1 3]
#  [4 6]
#  [7 9]]

鍦ㄤ互涓婄ず渚嬩腑锛?code>np.delete()鍑芥暟鍒嗗埆鍒犻櫎浜嗕竴缁存暟缁勫拰浜岀淮鏁扮粍涓殑鎸囧畾鍏冪礌銆?/p>