Simple question here:
简单的问题:
I'm trying to get an array that alternates values (1, -1, 1, -1.....) for a given length. np.repeat just gives me (1, 1, 1, 1,-1, -1,-1, -1). Thoughts?I'm trying to
阅读背景：
如何在python中获得一个交替值数组?
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