Python涓璶umpy.empty鍑芥暟鎬庝箞浣跨敤
扬州沐宇科技
2024-03-27 18:47:32
python
numpy.empty鍑芥暟鐢ㄤ簬鍒涘缓涓€涓寚瀹氬舰鐘跺拰鏁版嵁绫诲瀷鐨勬湭鍒濆鍖栫殑鏁扮粍銆傚畠鐨勮娉曞涓嬶細
numpy.empty(shape, dtype=float, order='C')
鍏朵腑锛屽弬鏁扮殑鍚箟濡備笅锛?/p>
- shape: 鏁扮粍鐨勫舰鐘讹紝鍙互鏄竴涓暣鏁版垨涓€涓厓缁勩€?/li>
- dtype: 鏁版嵁绫诲瀷锛岄粯璁や负float銆?/li>
- order: 鏁扮粍鍏冪礌鍦ㄥ唴瀛樹腑鐨勫瓨鍌ㄩ『搴忥紝鍙互鏄€機鈥欙紙C椋庢牸锛夋垨鈥橣鈥欙紙Fortran椋庢牸锛夈€?/li>
绀轰緥锛?/p>
import numpy as np
# 鍒涘缓涓€涓舰鐘朵负(2,3)鐨勬湭鍒濆鍖栨暟缁?/span>
arr = np.empty((2,3))
print(arr)
杈撳嚭锛?/p>
[[1. 1. 1.]
[1. 1. 1.]]
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