Lu, Yukuan

【北宋】 晏几道

梦后楼台高锁，酒醒帘幕低垂。去年春恨却来时，落花人独立，微雨燕双飞。

记得小蘋初见，两重心字罗衣。琵琶弦上说相思，当时明月在，曾照彩云归。

【北宋】 晏几道

彩袖殷勤捧玉钟，当年拚却醉颜红。舞低杨柳楼心月，歌尽桃花扇底风。

从别后，忆相逢，几回魂梦与君同。今宵剩把银釭照，犹恐相逢是梦中。

【北宋】 晏几道

西楼月下当时见，泪粉偷匀。歌罢还颦，恨隔炉烟看未真。

别来楼外垂杨缕，几换青春。倦客红尘，长记楼中粉泪人。

宽宽日记是我在世界各地学习和生活的评论。

This note unpacks how tiny changes transform across coordinates using the Jacobian matrix--from displacement to area to volume, in Cartesian, cylindrical, and spherical systems.

Sources:

1. Fawwaz Ulaby. (2020). Chapter 3: Vector Analysis. Fundamentals of applied electromagnetics (8rd ed., pp. 130–163). Pearson.

This post records various GPU-related issues I encountered, along with their diagnoses and resolutions.

Sources:

• Fawwaz T. Ulaby & Umberto Ravaioli. (2020). Chapter 1. Introduction: Waves and Phasors. Fundamentals of Applied Electromagnetics (8th ed., pp. 22-30). Pearson.

Sources:

• VICReg 2022 paper
• VC Reg, a follow-up paper of VICReg

Image source: https://arxiv.org/pdf/2306.13292

【清】袁枚

莫唱当年长恨歌，人间亦自有银河。

石壕村里夫妻别，泪比长生殿上多。

Sources:

1. Norman S. Nise. (2014). Chapter 1. Introduction. Control Systems Engineering (7th ed., pp. 1-21). WILEY.