Alex Tianyou Liu 刘天佑Personal website of Alex Tianyou Liu 刘天佑 · Articles, Blog & Galleryhttps://axeonv.github.io/enSignals and Systems Notes 2https://axeonv.github.io/en/articles/signals-systems-notes-2/https://axeonv.github.io/en/articles/signals-systems-notes-2/Notes on signals and systems.Sun, 18 Oct 2026 00:00:00 GMTSignals and Systems Notes 1https://axeonv.github.io/en/articles/signals-systems-notes-1/https://axeonv.github.io/en/articles/signals-systems-notes-1/Notes on signals and systems.Mon, 12 Oct 2026 00:00:00 GMT新世界https://axeonv.github.io/en/blog/new-world/https://axeonv.github.io/en/blog/new-world/一篇关于人工智能、人类情感与文明未来的科幻小说。Mon, 14 Sep 2026 00:00:00 GMTCollege Physics Notes 1https://axeonv.github.io/en/articles/physics-notes-1/https://axeonv.github.io/en/articles/physics-notes-1/Notes on college physics.Mon, 17 Aug 2026 00:00:00 GMTCalculus Problem 1https://axeonv.github.io/en/articles/calculus-problem-1/https://axeonv.github.io/en/articles/calculus-problem-1/A calculus problem and its solution.Mon, 11 May 2026 00:00:00 GMTNumber Theory Problem 1https://axeonv.github.io/en/articles/number-theory-problem-1/https://axeonv.github.io/en/articles/number-theory-problem-1/A number theory problem and its solution.Tue, 21 Apr 2026 00:00:00 GMTLinear Algebra Notes 2https://axeonv.github.io/en/articles/linear-algebra-notes-2/https://axeonv.github.io/en/articles/linear-algebra-notes-2/Notes on linear algebra.Thu, 09 Apr 2026 00:00:00 GMTNotes: Matrix Representation of a Linear Transformation in a Given Basishttps://axeonv.github.io/en/articles/linear-transform/https://axeonv.github.io/en/articles/linear-transform/Notes on linear transformations, bases and matrix representations.Tue, 07 Apr 2026 00:00:00 GMTLinear Algebra Notes 1https://axeonv.github.io/en/articles/linear-algebra-notes-1/https://axeonv.github.io/en/articles/linear-algebra-notes-1/Notes on linear algebra.Thu, 26 Mar 2026 00:00:00 GMT.tmu A Low-Entropy Tree-Structured Representation for LLM-Assisted Scientific Writinghttps://axeonv.github.io/en/articles/tmu-scientific-writing/https://axeonv.github.io/en/articles/tmu-scientific-writing/A low-entropy tree-structured representation for LLM-assisted scientific writing.Sat, 21 Mar 2026 00:00:00 GMTCalculus Notes 1https://axeonv.github.io/en/articles/calculus-notes-1/https://axeonv.github.io/en/articles/calculus-notes-1/Notes on calculus.Mon, 16 Mar 2026 00:00:00 GMT