Nov 30, 2024
A city full of memories: home, childhood friendship, college, high school... A dear friend's wedding and a nostalgic trip.
Nov 17, 2024
Some brief notes for quick reference. Conversion between degrees and radians. Angle Normalization. Angular error via closer path between two normalized angles.
Nov 10, 2024
Spending the weekend in Datong, visiting Datong Ancient Town (大同古城), Yungang Grottoes (云岗石窟), Yingxian Wood Tower a.k.a. Pagoda of Fogong Temple (应县木塔/佛宫寺释迦塔), The Hanging Temple (悬空寺), and Hengshan Mountain (北岳恒山). Fragments of...
Nov 9, 2024
Some brief notes for quick reference. A light-wight $SE(3)$ data structure.
Nov 3, 2024
Taking a break from the busy mind, a short road trip to Xiayunling Mountains (霞云岭) on a beautiful Sunday afternoon, enjoying the nature near Beijing.