摘要: Mathematical Logic Formal Logical System Def. Formal logical system consist of An alphabet of symbols A set of finite strings of these symbols, called 阅读全文
posted @ 2025-03-04 20:12 xcyle 阅读(35) 评论(0) 推荐(0) 编辑
摘要: Intro Great idea Abstraction Locality: programs work on a relatively small portion of data at any time Parallelism Redundancy: Improve dependability 1 阅读全文
posted @ 2025-03-03 15:50 xcyle 阅读(11) 评论(0) 推荐(0) 编辑
摘要: Formalism of Q. M. Axioms State vector |ψ. Observable Hermitian operator A=A. Evolution Sc 阅读全文
posted @ 2025-02-28 20:20 xcyle 阅读(20) 评论(0) 推荐(0) 编辑
摘要: Shortest Vector Problem (SVP) Given a basis of a lattice, find the shortest non-zero vector in the lattice. Exact: 2O(n). LLL algorithm: solves 阅读全文
posted @ 2025-02-24 14:35 xcyle 阅读(35) 评论(1) 推荐(0) 编辑
摘要: Utility and Rationality Expected Utility Theorem. A preference relation on lottery space P admits an expected utility representation i 阅读全文
posted @ 2025-02-17 16:44 xcyle 阅读(21) 评论(0) 推荐(0) 编辑
摘要: 物理学中的人工智能:历史、现状和未来 ——2024年诺贝尔物理学奖评析 摘要:2024年诺贝尔物理学奖颁发给John J. Hopfield和Geoffrey E. Hinton,以表彰他们在人工神经网络和机器学习领域的开创性贡献。这一决定引发了极大的争议。事实上,Hopfield和Hinton的研 阅读全文
posted @ 2025-01-31 20:42 xcyle 阅读(279) 评论(0) 推荐(4) 编辑
摘要: Diagonalization 1dim(Eλ) multiplicity of λ. Assume T splits, it is diagonalizable iff dim(Eλ)= multipli 阅读全文
posted @ 2025-01-03 23:02 xcyle 阅读(48) 评论(0) 推荐(0) 编辑
摘要: Markov Chain & Stationary Distribution Def(Finite Markov Chain). Let Ω be a finite set of states, x,yΩ,P(x,y)0 be a t 阅读全文
posted @ 2024-05-25 16:01 xcyle 阅读(210) 评论(1) 推荐(1) 编辑
摘要: SVD Def (eigenvalue\eigenvector). Eigenvalue λ and eigenvector v of matrix A satisfy Av=λv. Lem 1. Let \(M\ 阅读全文
posted @ 2024-05-14 20:10 xcyle 阅读(100) 评论(0) 推荐(1) 编辑
摘要: The Geometry of High Dimensions High dimensional geometry is surprisingly different from low dimensional geometry. Example 1: Volume concentrates on s 阅读全文
posted @ 2024-04-30 16:14 xcyle 阅读(127) 评论(0) 推荐(0) 编辑
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