python濡備綍鎻愬彇鎸囧畾琛屽拰鍒楃殑鏁版嵁
扬州沐宇科技
2023-08-23 12:28:41
python
鍦≒ython涓紝浣犲彲浠ヤ娇鐢╪umpy搴撴潵鎻愬彇鎸囧畾琛屽拰鍒楃殑鏁版嵁銆?/p>
鍋囪浣犳湁涓€涓?缁存暟缁刣ata锛屼綘鎯宠鎻愬彇绗?琛屽拰绗?鍒楃殑鏁版嵁锛屽彲浠ヤ娇鐢ㄤ互涓嬩唬鐮侊細
import numpy as np
data = np.array([[1, 2, 3],
[4, 5, 6],
[7, 8, 9]])
row = data[1] # 鎻愬彇绗?琛岀殑鏁版嵁
column = data[:, 2] # 鎻愬彇绗?鍒楃殑鏁版嵁
print("绗?琛岀殑鏁版嵁锛?quot;, row)
print("绗?鍒楃殑鏁版嵁锛?quot;, column)
杈撳嚭:
绗?琛岀殑鏁版嵁锛?[4 5 6]
绗?鍒楃殑鏁版嵁锛?[3 6 9]
娉ㄦ剰锛岃鍜屽垪鐨勭储寮曢兘鏄粠0寮€濮嬬殑銆傚湪涓婅堪绀轰緥涓紝data[1]鎻愬彇鐨勬槸绗?琛岀殑鏁版嵁锛?code>data[:, 2]鎻愬彇鐨勬槸绗?鍒楃殑鏁版嵁銆?code>:琛ㄧず鎻愬彇璇ョ淮搴︾殑鎵€鏈夊厓绱狅紝鍥犳data[:, 2]琛ㄧず鎻愬彇鎵€鏈夎鐨勭3鍒楃殑鏁版嵁銆?/p>
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