<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Gram-Schmidt on Chen Kai Blog</title><link>https://www.chenk.top/zh/tags/gram-schmidt/</link><description>Recent content in Gram-Schmidt on Chen Kai Blog</description><generator>Hugo</generator><language>zh-CN</language><lastBuildDate>Wed, 12 Feb 2025 09:00:00 +0000</lastBuildDate><atom:link href="https://www.chenk.top/zh/tags/gram-schmidt/index.xml" rel="self" type="application/rss+xml"/><item><title>线性代数（七）：正交性与投影——当向量互不干扰</title><link>https://www.chenk.top/zh/linear-algebra/07-%E6%AD%A3%E4%BA%A4%E6%80%A7%E4%B8%8E%E6%8A%95%E5%BD%B1/</link><pubDate>Wed, 12 Feb 2025 09:00:00 +0000</pubDate><guid>https://www.chenk.top/zh/linear-algebra/07-%E6%AD%A3%E4%BA%A4%E6%80%A7%E4%B8%8E%E6%8A%95%E5%BD%B1/</guid><description>&lt;h2 id="为什么正交性如此重要" class="heading-anchor">为什么正交性如此重要&lt;a href="#%e4%b8%ba%e4%bb%80%e4%b9%88%e6%ad%a3%e4%ba%a4%e6%80%a7%e5%a6%82%e6%ad%a4%e9%87%8d%e8%a6%81" class="heading-link" aria-label="Permalink to this section" title="Copy link to this section">#&lt;/a>
&lt;/h2>&lt;p>两个向量&lt;strong>正交&lt;/strong>，意味着它们彼此互不干扰。一个方向上的信息完全不会影响另一个方向。这个简单的概念支撑了 GPS 定位、降噪耳机、JPEG 压缩、推荐系统以及数值线性代数的大部分应用。&lt;/p></description></item></channel></rss>