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A collection of thoughts, study notes, and some fragments of life, presented in the form of a personal website.

科技 生活 世界 随手记两笔
Categories: 11
Posts: 169

Constrained Optimization, Lagrange Multiplier

Mar 6, 2023

Motivation Optimization is used everywhere in engineering. In robotics, formulating problems as optimization problems has shown to be more general than solving them in a pure analytical fashion. In particular, it is...

Sichuan Natural Splendors

Mar 5, 2023

Dadu river, maybe translates to The Big Step Forward river, 大渡河, near the Jinkou valley, 金口大峡谷. A place to remember since it happened here that the Chinese people had milestone victories over...

Robot Singularity Avoidance, Analysis and Comparison

Feb 25, 2023

Motivation Mathematically, singularities happen when robot Jacobian loses rank, resulting robot loses its ability to move its end-effector along certain directions. Or, in other mathematically words, when the Jacobian is singular, it...

Sanya and Xisha

Feb 19, 2023

Sanya, one of the only tropical cities in China. One of my favorite places in winter. Well, it doesn't really have a winter. Sanya Bay, 三亚湾, one of Sanya's landmarks, not far...

Learning a New Programming Language for Production

Feb 5, 2023

Language Peripherals Setup How to install the language and dependencies How to use interactive console if possible How to compile, if necessary, and run code from an OS terminal How to setup...