<?xml version="1.0" encoding="utf-8"?><?xml-stylesheet href='http://feeds.feedsky.com/styles/temp01.xsl' type='text/xsl' ?><!--这是一个由Feedsy提供技术支持的Feed，为了提高读者阅读的体验，以及满足用户美化自己Feed的需要，我们设计了多种精美的Feed模板，提供给大家选择，所有最终呈现出来的样式，皆由用户自愿选择使用，未经许可，任何团体和个人，请不要擅自修改样式或者盗用，这是对于用户选择权的尊重。--><rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:fs="http://www.feedsky.com/namespace/feed" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:dc="http://purl.org/dc/elements/1.1/" version="2.0"><channel><atom:link href="http://feeds.feedsky.com/csdn.net/superdont" type="application/rss+xml" ref="self"></atom:link><fs:self_link href="http://feeds.feedsky.com/csdn.net/superdont" type="application/rss+xml"></fs:self_link><lastBuildDate>Fri, 27 Jun 2008 16:07:00 GMT</lastBuildDate><title>我思故我在</title><description>时刻关注信息技术</description><item><title>毕业了</title><link>http://item.feedsky.com/~csdn.net/superdont/~1152145/88101015/1152132/1/item.html</link><wfw:comment>comments/2592287.aspx</wfw:comment><slash:comments>0</slash:comments><wfw:commentRss>comments/commentRss/2592287.aspx</wfw:commentRss><trackback:ping>http://tb.blog.csdn.net/TrackBack.aspx?PostId=2592287</trackback:ping><description>&lt;p&gt;今天上午开了毕业典礼，然后大家忙着照相，晚上一个宿舍请大家聚餐。&lt;/p&gt;&lt;p&gt;三年的研究生生活即将结束，我将要离开生活了三年的南开。&lt;/p&gt;&lt;p&gt;上午的毕业典礼，毕业生代表的发言很动情，让人有落泪的冲动。&lt;/p&gt;&lt;p&gt;三年，南开给了我很多。&lt;/p&gt;&lt;p&gt;明天将是一个新的开始，希望大家都一路走好！&lt;/p&gt;&lt;img src =&quot;aggbug/2592287.aspx&quot; width = &quot;1&quot; height = &quot;1&quot; /&gt;</description><pubDate>Sat, 28 Jun 2008 00:07:00 +0800</pubDate><author>李立宗</author><comments>http://blog.csdn.net/superdont/archive/2008/06/27/2592287.aspx#Feedback</comments><guid isPermaLink="false">http://blog.csdn.net/superdont/archive/2008/06/27/2592287.aspx</guid><dc:creator>李立宗</dc:creator><fs:srclink>http://blog.csdn.net/superdont/archive/2008/06/27/2592287.aspx</fs:srclink><fs:srcfeed>http://blog.csdn.net/superdont/rss.aspx</fs:srcfeed><fs:itemid>csdn.net/superdont/~1152145/88101015/1152132</fs:itemid></item><item><title>word内样式和格式变成“char char char char”的处理方式</title><link>http://item.feedsky.com/~csdn.net/superdont/~1152145/88101016/1152132/1/item.html</link><wfw:comment>comments/2442700.aspx</wfw:comment><slash:comments>0</slash:comments><wfw:commentRss>comments/commentRss/2442700.aspx</wfw:commentRss><trackback:ping>http://tb.blog.csdn.net/TrackBack.aspx?PostId=2442700</trackback:ping><description>&amp;lt;p&amp;gt;今天论文调整格式，发现处理格式后，无论选择什么样子的样式，最后都显示成：“char char char char”。更改了好久都没有效果，百度一下：===============================&amp;lt;/p&amp;gt;&amp;lt;p&amp;gt;进入宏管理器，找到char样式，将其改为charXXXXX，然后将文档保存为xml格式并关闭文档；使用xmlspy等工具打开此xml文件，查找charXXXXX（刚才在宏管理器字符串修改的字符串），一共有两个地方，找到后删除（注意，要删除charXXXXX对应的整个区域块，不能只删除charXXXXX，因此需要使用xmlspy等工具）。&amp;lt;/p&amp;gt;&amp;lt;p&amp;gt;===============================&amp;lt;/p&amp;gt;&amp;lt;p&amp;gt;问题解决，但是应用上述方式生成的pdf文件仍旧无法正确生成书签。继续处理中。。。。。。。。。。&amp;lt;/p&amp;gt;&amp;lt;p&amp;gt;&amp;lt;/p&amp;gt;&lt;img src =&quot;aggbug/2442700.aspx&quot; width = &quot;1&quot; height = &quot;1&quot; /&gt;</description><pubDate>Wed, 14 May 2008 02:41:00 +0800</pubDate><author>李立宗</author><comments>http://blog.csdn.net/superdont/archive/2008/05/13/2442700.aspx#Feedback</comments><guid isPermaLink="false">http://blog.csdn.net/superdont/archive/2008/05/13/2442700.aspx</guid><dc:creator>李立宗</dc:creator><fs:srclink>http://blog.csdn.net/superdont/archive/2008/05/13/2442700.aspx</fs:srclink><fs:srcfeed>http://blog.csdn.net/superdont/rss.aspx</fs:srcfeed><fs:itemid>csdn.net/superdont/~1152145/88101016/1152132</fs:itemid></item><item><title>应用混沌序列对有意义水印进行调制</title><link>http://item.feedsky.com/~csdn.net/superdont/~1152145/88101017/1152132/1/item.html</link><wfw:comment>comments/2425248.aspx</wfw:comment><slash:comments>0</slash:comments><wfw:commentRss>comments/commentRss/2425248.aspx</wfw:commentRss><trackback:ping>http://tb.blog.csdn.net/TrackBack.aspx?PostId=2425248</trackback:ping><description>应用混沌序列对有意义水印进行调制&lt;img src =&quot;aggbug/2425248.aspx&quot; width = &quot;1&quot; height = &quot;1&quot; /&gt;</description><pubDate>Sat, 10 May 2008 04:55:00 +0800</pubDate><author>dont</author><comments>http://blog.csdn.net/superdont/archive/2008/05/09/2425248.aspx#Feedback</comments><guid isPermaLink="false">http://blog.csdn.net/superdont/archive/2008/05/09/2425248.aspx</guid><dc:creator>dont</dc:creator><fs:srclink>http://blog.csdn.net/superdont/archive/2008/05/09/2425248.aspx</fs:srclink><fs:srcfeed>http://blog.csdn.net/superdont/rss.aspx</fs:srcfeed><fs:itemid>csdn.net/superdont/~1152145/88101017/1152132</fs:itemid></item><item><title>显示混沌系统的初始值敏感性图片</title><link>http://item.feedsky.com/~csdn.net/superdont/~1152145/88101018/1152132/1/item.html</link><wfw:comment>comments/2260055.aspx</wfw:comment><slash:comments>0</slash:comments><wfw:commentRss>comments/commentRss/2260055.aspx</wfw:commentRss><trackback:ping>http://tb.blog.csdn.net/TrackBack.aspx?PostId=2260055</trackback:ping><description>matlab,混沌&lt;img src =&quot;aggbug/2260055.aspx&quot; width = &quot;1&quot; height = &quot;1&quot; /&gt;</description><pubDate>Tue, 08 Apr 2008 19:32:00 +0800</pubDate><author>dont</author><comments>http://blog.csdn.net/superdont/archive/2008/04/08/2260055.aspx#Feedback</comments><guid isPermaLink="false">http://blog.csdn.net/superdont/archive/2008/04/08/2260055.aspx</guid><dc:creator>dont</dc:creator><fs:srclink>http://blog.csdn.net/superdont/archive/2008/04/08/2260055.aspx</fs:srclink><fs:srcfeed>http://blog.csdn.net/superdont/rss.aspx</fs:srcfeed><fs:itemid>csdn.net/superdont/~1152145/88101018/1152132</fs:itemid></item><item><title>为什么实际大小和占用空间不一样</title><link>http://item.feedsky.com/~csdn.net/superdont/~1152145/88101019/1152132/1/item.html</link><wfw:comment>comments/2210539.aspx</wfw:comment><slash:comments>0</slash:comments><wfw:commentRss>comments/commentRss/2210539.aspx</wfw:commentRss><trackback:ping>http://tb.blog.csdn.net/TrackBack.aspx?PostId=2210539</trackback:ping><description>为什么实际大小和占用空间不一样&lt;img src =&quot;aggbug/2210539.aspx&quot; width = &quot;1&quot; height = &quot;1&quot; /&gt;</description><pubDate>Mon, 24 Mar 2008 00:27:00 +0800</pubDate><author>dont</author><comments>http://blog.csdn.net/superdont/archive/2008/03/23/2210539.aspx#Feedback</comments><guid isPermaLink="false">http://blog.csdn.net/superdont/archive/2008/03/23/2210539.aspx</guid><dc:creator>dont</dc:creator><fs:srclink>http://blog.csdn.net/superdont/archive/2008/03/23/2210539.aspx</fs:srclink><fs:srcfeed>http://blog.csdn.net/superdont/rss.aspx</fs:srcfeed><fs:itemid>csdn.net/superdont/~1152145/88101019/1152132</fs:itemid></item><item><title>天津美发网</title><link>http://item.feedsky.com/~csdn.net/superdont/~1152145/88101020/1152132/1/item.html</link><wfw:comment>comments/2201575.aspx</wfw:comment><slash:comments>0</slash:comments><wfw:commentRss>comments/commentRss/2201575.aspx</wfw:commentRss><trackback:ping>http://tb.blog.csdn.net/TrackBack.aspx?PostId=2201575</trackback:ping><description>欢迎访问
天津美发网  http://www.haircuthome.com&lt;img src =&quot;aggbug/2201575.aspx&quot; width = &quot;1&quot; height = &quot;1&quot; /&gt;</description><pubDate>Fri, 21 Mar 2008 16:42:00 +0800</pubDate><author>dont</author><comments>http://blog.csdn.net/superdont/archive/2008/03/21/2201575.aspx#Feedback</comments><guid isPermaLink="false">http://blog.csdn.net/superdont/archive/2008/03/21/2201575.aspx</guid><dc:creator>dont</dc:creator><fs:srclink>http://blog.csdn.net/superdont/archive/2008/03/21/2201575.aspx</fs:srclink><fs:srcfeed>http://blog.csdn.net/superdont/rss.aspx</fs:srcfeed><fs:itemid>csdn.net/superdont/~1152145/88101020/1152132</fs:itemid></item><item><title>p和np问题</title><link>http://item.feedsky.com/~csdn.net/superdont/~1152145/88101021/1152132/1/item.html</link><wfw:comment>comments/2114102.aspx</wfw:comment><slash:comments>0</slash:comments><wfw:commentRss>comments/commentRss/2114102.aspx</wfw:commentRss><trackback:ping>http://tb.blog.csdn.net/TrackBack.aspx?PostId=2114102</trackback:ping><description>导读：
　　当我们遇到一个问题时,我们总是很自然的开始恩考求解这个问题的算法.我们大多数人都没有注意到问题本身的可解性.其实很多问题很难想出一种有效算法的,当然,遍历算法除外.如果我们有一台超强的计算机,那么一切算法都是没有意义的,因为一切问题都可以用遍历来解.
　　算法的效率其实正是体现在问题的大规模输入上,所以,我们在比较算法的好坏时,通常考虑它在大规模输入时的运行时间,占用空间等.P与NP问题正是源自算法执行的效率.
　　我想绝大多数学计算机的人都听过P与NP问题,但我觉得,真正能说出它是怎么回事的,不在多数.至少在我仔细看资料之前,我是说不出P与NP问题到底是怎么回事,以及怎么证明一个问题是NP或NP完全的.所以,我想写一些自己对P与NP问题的理解.
　　在介绍P与NP之前,我想先介绍两个概念.
　　1.确定性算法
　　设A是求解问题B的一个算法,如果在展示问题B的一个实例时,在整个执行过程中每一步都只有一个选择,则称A是确定性算法.因此如果对于同样的输入,实例一遍又一遍地执行,它的输出从不改变.
　　通常我们在写程序时,用到的都是一些确定性算法,比如说排序算法,最优化&lt;img src =&quot;aggbug/2114102.aspx&quot; width = &quot;1&quot; height = &quot;1&quot; /&gt;</description><pubDate>Sat, 23 Feb 2008 04:05:00 +0800</pubDate><author>dont</author><comments>http://blog.csdn.net/superdont/archive/2008/02/22/2114102.aspx#Feedback</comments><guid isPermaLink="false">http://blog.csdn.net/superdont/archive/2008/02/22/2114102.aspx</guid><dc:creator>dont</dc:creator><fs:srclink>http://blog.csdn.net/superdont/archive/2008/02/22/2114102.aspx</fs:srclink><fs:srcfeed>http://blog.csdn.net/superdont/rss.aspx</fs:srcfeed><fs:itemid>csdn.net/superdont/~1152145/88101021/1152132</fs:itemid></item><item><title>重温一下各种排序算法</title><link>http://item.feedsky.com/~csdn.net/superdont/~1152145/88101022/1152132/1/item.html</link><wfw:comment>comments/2114101.aspx</wfw:comment><slash:comments>0</slash:comments><wfw:commentRss>comments/commentRss/2114101.aspx</wfw:commentRss><trackback:ping>http://tb.blog.csdn.net/TrackBack.aspx?PostId=2114101</trackback:ping><description>导读：


本文转自
http://blog.csdn.net/dansin/archive/2006/03/24/637820.aspx

	&lt;img src =&quot;aggbug/2114101.aspx&quot; width = &quot;1&quot; height = &quot;1&quot; /&gt;</description><pubDate>Sat, 23 Feb 2008 04:03:00 +0800</pubDate><author>dont</author><comments>http://blog.csdn.net/superdont/archive/2008/02/22/2114101.aspx#Feedback</comments><guid isPermaLink="false">http://blog.csdn.net/superdont/archive/2008/02/22/2114101.aspx</guid><dc:creator>dont</dc:creator><fs:srclink>http://blog.csdn.net/superdont/archive/2008/02/22/2114101.aspx</fs:srclink><fs:srcfeed>http://blog.csdn.net/superdont/rss.aspx</fs:srcfeed><fs:itemid>csdn.net/superdont/~1152145/88101022/1152132</fs:itemid></item><item><title>博弈</title><link>http://item.feedsky.com/~csdn.net/superdont/~1152145/88101023/1152132/1/item.html</link><wfw:comment>comments/2073147.aspx</wfw:comment><slash:comments>0</slash:comments><wfw:commentRss>comments/commentRss/2073147.aspx</wfw:commentRss><trackback:ping>http://tb.blog.csdn.net/TrackBack.aspx?PostId=2073147</trackback:ping><description>博弈&lt;img src =&quot;aggbug/2073147.aspx&quot; 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