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标 题Re: [问题] tikz画曲线用controls不用and
发信站(null) (Tue Jul 30 05:14:55 2013)
转信站ptt!news.ntu!ctuews.n!news.nctu!stanfordtanford.edu!f7no106124qan.0!ne
Those draw commands did not have arrow options added.
So there is no arrow at all, not unclear.
Try add this option [->] or [->,>=stealth'].