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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
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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
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Shortest Vector Problem (SVP) Given a basis of a lattice, find the shortest non-zero vector in the lattice. Exact: . LLL algorithm: solves 阅读全文
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Utility and Rationality Expected Utility Theorem. A preference relation on lottery space admits an expected utility representation i 阅读全文
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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
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Markov Chain & Stationary Distribution Def(Finite Markov Chain). Let be a finite set of states, be a t 阅读全文
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SVD Def (eigenvalue\eigenvector). Eigenvalue and eigenvector of matrix satisfy Lem 1. Let \(M\ 阅读全文
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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