Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Edging out matrix multiplication won’t matter for practical applications anytime soon, but as a proof of concept, this slight improvement is a chasm: It shows there’s an entirely better way of solving ...

In this article, a system of Yang-Baxter-type matrix equations is studied, XAX = BXB, XBX = AXA, which “generalizes” the matrix Yang-Baxter equation and exhibits a broken symmetry. We investigate the ...

Hangzhou Lu Xiang Technology Co., Ltd. applied for a patent titled "Interactive Question and Answer Method and System Based on Artificial Intelligence" in May 2025, which was publicly disclosed by the ...