<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>高等代数 | Ch6 正交性和最小二乘法 on Zuwei</title><link>https://zuwei.org/notes/2024-1/linear-algebra/ch6_orthogonality_and_least_squares/</link><description>Recent content in 高等代数 | Ch6 正交性和最小二乘法 on Zuwei</description><generator>Hugo -- 0.154.5</generator><language>zh-cn</language><lastBuildDate>Mon, 23 Dec 2024 00:00:00 +0000</lastBuildDate><atom:link href="https://zuwei.org/notes/2024-1/linear-algebra/ch6_orthogonality_and_least_squares/index.xml" rel="self" type="application/rss+xml"/><item><title>线性代数 | 6.3 正交投影</title><link>https://zuwei.org/notes/2024-1/linear-algebra/ch6_orthogonality_and_least_squares/3_orthogonal_projections/</link><pubDate>Mon, 23 Dec 2024 00:00:00 +0000</pubDate><guid>https://zuwei.org/notes/2024-1/linear-algebra/ch6_orthogonality_and_least_squares/3_orthogonal_projections/</guid><description>正交分解定理、最佳逼近定理、矩乘计算投影向量</description></item><item><title>线性代数 | 6.4 Gram-Schimidt 方法</title><link>https://zuwei.org/notes/2024-1/linear-algebra/ch6_orthogonality_and_least_squares/4_gram-schmidt_process/</link><pubDate>Mon, 23 Dec 2024 00:00:00 +0000</pubDate><guid>https://zuwei.org/notes/2024-1/linear-algebra/ch6_orthogonality_and_least_squares/4_gram-schmidt_process/</guid><description>Gram-Schimidt 方法、QR 分解</description></item><item><title>线性代数 | 6.5 最小二乘问题</title><link>https://zuwei.org/notes/2024-1/linear-algebra/ch6_orthogonality_and_least_squares/5_least-squares_problems/</link><pubDate>Mon, 23 Dec 2024 00:00:00 +0000</pubDate><guid>https://zuwei.org/notes/2024-1/linear-algebra/ch6_orthogonality_and_least_squares/5_least-squares_problems/</guid><description>最小二乘解、最小二乘解与可逆矩阵</description></item><item><title>线性代数 | 6.1 内积、长度和正交性</title><link>https://zuwei.org/notes/2024-1/linear-algebra/ch6_orthogonality_and_least_squares/1_inner_product_length_orthogonality/</link><pubDate>Wed, 18 Dec 2024 00:00:00 +0000</pubDate><guid>https://zuwei.org/notes/2024-1/linear-algebra/ch6_orthogonality_and_least_squares/1_inner_product_length_orthogonality/</guid><description>内积、向量的长度、$\mathbb R^n$ 中的距离、正交向量、正交补、角度</description></item><item><title>线性代数 | 6.2 正交集</title><link>https://zuwei.org/notes/2024-1/linear-algebra/ch6_orthogonality_and_least_squares/2_orthogonal_sets/</link><pubDate>Wed, 18 Dec 2024 00:00:00 +0000</pubDate><guid>https://zuwei.org/notes/2024-1/linear-algebra/ch6_orthogonality_and_least_squares/2_orthogonal_sets/</guid><description>正交投影、单位正交集</description></item></channel></rss>