Luoshu: An extended discussion on the fun math question (repost)

5 minute read

Published: April 15, 2023

This is simply a takeaway quiz from a course. Originally the professor looks for answers for how to fill in 9 numbers into a 3x3 matrix so that each row, column, and diagonal are all summed up to the same number, which is 15. Read more

The Yu-Gi-Oh Project (repost)

4 minute read

Published: September 30, 2024

This is the most interesting project I had ever done! Inspired by the Japanese anime: “Yu-Gi-Oh! Trading Card Game”, I was lucky to have a group of three working it in May, 2015. This is a comprehensive project that includes mechanical 3-axis arm design, electrical circuit layout, firmware/software programming, and even handcrafting skills! Read more

How I read a paper: PanguLU example

15 minute read

Published: August 21, 2026

Introduction

Study Note on “Information Lattice Learning”

8 minute read

Published: December 30, 2024

Information Lattice Learning¹ (ILL) is a journal paper published in 2023 trying to address the explainability challenge of AI. Instead of predicting data X and target Y, it focuses on explaining the so-called “what makes X an X” (or “what makes X differ from Y”).