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NumPy涓璶darray绱㈠紩鐨勪嬌鐢?PDF 涓嬭澆
杞澆鑷細(xì)http://www.python222.com/article/1155
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ndarray 鍙互浣跨敤鏍囧噯鐨?nbsp;Python x[obj] 璇硶榪涜绱㈠紩錛屽叾涓?nbsp;x 鏄暟緇勶紝obj 鏄€夋嫨
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>>> x = np.arange(10)
>>> x[2]
2
>>> x[-2]
8
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>>> x.shape = (2, 5) # now x is 2-dimensional
>>> x[1, 3]
8
>>> x[1,-1]
9
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>>> x[0]
array([0, 1, 2, 3, 4])
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>>> x[0][2]
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