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收集

网站整理收集

less than 1 minute read

Published: September 06, 2023

这里收集了本人常用的一些工具网站的链接.

数学

四元数

3 minute read

Published: September 10, 2023

矢量分析指标法

4 minute read

Published: July 20, 2023

在矢量分析中，一种很方便的方法是指标法. 指标法通过爱因斯坦求和约定来缩略求和从而表示各个分量之间的关系，其形式较为简单，不易出错，且易于推广到高阶张量.

有关 dx 的随想

1 minute read

Published: July 17, 2023

物理

傅科摆与微分几何

2 minute read

Published: July 05, 2024

在《新概念物理》中给出了一个简略的对傅科摆的几何分析，本文通过微分几何对此分析给出一个严谨的推导.

计算机解一维定态薛定谔方程

less than 1 minute read

Published: August 11, 2021

一个使用计算机求解一维定态薛定谔方程的笔记.

网站测试

Excerpts

1 minute read

Published: July 20, 2018

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MathJax with Jekyll

2 minute read

Published: July 20, 2018

One of the rewards of switching my website to Jekyll is the ability to support MathJax, which means I can write LaTeX-like equations that get nicely displayed in a web browser, like this one \( \sqrt{\frac{n!}{k!(n-k)!}} \) or this one \( x^2 + y^2 = r^2 \).