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📁 一份很好的linux入门资料
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<HTML><HEAD>  <TITLE>BBS水木清华站∶精华区</TITLE></HEAD><BODY><CENTER><H1>BBS水木清华站∶精华区</H1></CENTER>发信人:&nbsp;eggs&nbsp;(铁蛋),&nbsp;信区:&nbsp;Linux&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR>标&nbsp;&nbsp;题:&nbsp;Re:&nbsp;TeX问题:如何给任意段落(含文字,公式)加框?&nbsp;<BR>发信站:&nbsp;BBS&nbsp;水木清华站&nbsp;(Mon&nbsp;Nov&nbsp;29&nbsp;10:33:57&nbsp;1999)&nbsp;<BR>&nbsp;<BR>【&nbsp;在&nbsp;energy&nbsp;(长白山)&nbsp;的大作中提到:&nbsp;】&nbsp;<BR>∶<I>&nbsp;头痛死了,&nbsp;如果是Word就很简单,&nbsp;而在tex里面太麻烦.&nbsp;</I><BR>∶<I>&nbsp;如果用\fbox等,里面的文字不换行,&nbsp;也加不进公式.&nbsp;</I><BR>∶<I>&nbsp;如果用amstex的\boxed,&nbsp;又只能对一行公式加框.&nbsp;</I><BR>∶<I>&nbsp;有什么办法能够对整个段落加框?&nbsp;</I><BR>∶<I>&nbsp;//sigh,&nbsp;要甩开M$&amp;Word很辛苦啊!&nbsp;</I><BR>example:&nbsp;<BR>&nbsp;<BR>\fbox{%&nbsp;<BR>\begin{minipage}{.9\textwidth}&nbsp;<BR>\begin{equation}&nbsp;<BR>\hat&nbsp;x(n)=&nbsp;<BR>\left\{\begin{array}{l}&nbsp;0,&nbsp;\quad&nbsp;n&lt;0&nbsp;\\&nbsp;<BR>\dfrac{x(n)}{x(0)}&nbsp;-&nbsp;&nbsp;\sum\limits_{k=0}^{n-1}&nbsp;<BR>\dfrac{k}{n}&nbsp;\hat&nbsp;x(k)&nbsp;\dfrac{x(n-n)}{x(0)},&nbsp;\quad&nbsp;n&gt;0&nbsp;<BR>\end{array}\right.&nbsp;<BR>\end{equation}&nbsp;<BR>&nbsp;<BR>Think&nbsp;of&nbsp;PDF&nbsp;as&nbsp;PostScript&nbsp;without&nbsp;programming&nbsp;constructs.&nbsp;A&nbsp;PDF&nbsp;<BR>file&nbsp;consists&nbsp;of&nbsp;graphical&nbsp;objects&nbsp;tight&nbsp;together&nbsp;in&nbsp;such&nbsp;a&nbsp;way&nbsp;that&nbsp;<BR>fast&nbsp;viewing&nbsp;is&nbsp;possible&nbsp;and&nbsp;incremental&nbsp;updates&nbsp;become&nbsp;possible.&nbsp;<BR>&nbsp;<BR>\begin{equation}&nbsp;<BR>\alpha_{t+1}(j)&nbsp;=&nbsp;\left[&nbsp;\sum\limits_{i=1}^{N}&nbsp;\alpha_t(i)a_{ij}&nbsp;\right]b_j({\bf&nbsp;<BR>&nbsp;o}_t+1),&nbsp;<BR>\begin{array}{l}&nbsp;<BR>1&nbsp;\le&nbsp;t&nbsp;\le&nbsp;T-1&nbsp;\\[-1ex]&nbsp;<BR>1&nbsp;\le&nbsp;j&nbsp;\le&nbsp;N&nbsp;<BR>\end{array}&nbsp;<BR>\end{equation}&nbsp;<BR>\end{minipage}&nbsp;<BR>}&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>--&nbsp;<BR>※&nbsp;来源:·BBS&nbsp;水木清华站&nbsp;bbs.net.tsinghua.edu.cn·[FROM:&nbsp;162.105.138.50]&nbsp;<BR><CENTER><H1>BBS水木清华站∶精华区</H1></CENTER></BODY></HTML>
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