as for the limit thing, you can use \overarrow like
所有跟贴·加跟贴·新语丝读书论坛http://www.xys.org/cgi-bin/mainpage.pl
送交者: steven 于 2005-11-24, 11:28:21:
回答: 求教latex专家 由 勾子 于 2005-11-23, 22:08:52:
\overarrow{n\rightarrow x}
所有跟贴:
加跟贴
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