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Cs229
Found 2 free book(s)CS 229, Fall 2018 ProblemSet#0 ... - CS229: Machine Learning
cs229.stanford.eduCS229 Problem Set #0 2 (a) Let z2Rn be an n-vector. Show that A= zzT is positive semide nite. (b) Let z2Rn be a non-zero n-vector. Let A= zzT.What is the null-space of A? What is the rank of A? (c) Let A2R n be positive semide nite and B2Rm …
CS229 Supplemental Lecture notes Hoeffding’s inequality
cs229.stanford.eduCS229 Supplemental Lecture notes Hoeffding’s inequality John Duchi 1 Basic probability bounds A basic question in probability, statistics, and machine learning is the fol-lowing: given a random variable Z with expectation E[Z], how likely is Z to be close to its expectation? And more precisely, how close is it likely to be?