<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>PDF on 111qqz的小窝</title><link>https://111qqz.com/tags/pdf/</link><description>Recent content in PDF on 111qqz的小窝</description><generator>Hugo -- gohugo.io</generator><language>zh-cn</language><managingEditor>hust.111qqz@gmail.com (111qqz)</managingEditor><webMaster>hust.111qqz@gmail.com (111qqz)</webMaster><copyright>© 2011-2026 111qqz</copyright><lastBuildDate>Sun, 20 Sep 2026 16:30:00 +0800</lastBuildDate><atom:link href="https://111qqz.com/tags/pdf/index.xml" rel="self" type="application/rss+xml"/><item><title>概率密度不是概率：连续随机变量为什么需要 PDF</title><link>https://111qqz.com/2026/09/pdf-is-not-probability/</link><pubDate>Sun, 20 Sep 2026 16:30:00 +0800</pubDate><author>hust.111qqz@gmail.com (111qqz)</author><guid>https://111qqz.com/2026/09/pdf-is-not-probability/</guid><description>&lt;h2 class="relative group"&gt;上一篇只回答了&amp;quot;为什么不矛盾&amp;quot;
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&lt;p&gt;&lt;a href="https://111qqz.com/2026/09/countable-uncountable-infinity/" &gt;上一篇文章&lt;/a&gt;里，我沿着一个概率问题一路追到了集合论。&lt;/p&gt;</description></item></channel></rss>