PPT-Optimization Convex Relaxations

M Pawan Kumar Slides available online http mpawankumarinfo Energy Function V a V b V c V d Label l 0 Label l 1 Random Variables V V a V b Labels L l. Consider all possible pairs of points in the set and consider the line segment connecting any such pair. All such line segments must lie entirely within the set.. Convex Set of Points. Convex –vs- Nonconvex. Nonconvex Polynomials with . Algebraic . Techniques. Georgina . Hall. Princeton, ORFE. Joint work with . Amir Ali Ahmadi. Princeton, ORFE. 1. 7/13/2015. MOPTA . 2015. Difference of Convex (DC) programming. Problems in Ramsey theory typically ask a question of the form: "how many elements of some structure must there be to guarantee that a particular property will hold?“. Here we consider geometric Ramsey-type results about finite point sets in the plane.. relaxations. via statistical query complexity. Based on:. V. F.. , Will Perkins, Santosh . Vempala. . . On the Complexity of Random Satisfiability Problems with Planted . Solutions.. STOC 2015. V. F.. http://. www.robots.ox.ac.uk. /~oval/. Slides available online http://. mpawankumar.info. Convex Sets. Convex Functions. Convex Program. Outline. Convex Set. x. 1. x. 2. λ. . x. 1. (1 - . λ. ) . Majorization. ANNA . SHTENGEL, Weizmann Institute of Science. ROI PORANNE and OLGA SORKINE-HORNUNG, ETH Zurich. SHAHAR Z. KOVALSKY, Duke University. YARON LIPMAN, Weizmann Institute of . Science. ACM Transactions on Graphics . machine learning. Yuchen Zhang. Stanford University. Non-convexity . in . modern machine learning. 2. State-of-the-art AI models are learnt by minimizing (often non-convex) loss functions.. T. raditional . scalability . improvements . and . applications . to . difference . of convex programming.. Georgina . Hall. Princeton, . ORFE. Joint work with . Amir Ali Ahmadi. Princeton, ORFE. 1. Nonnegative polynomials. Sinusoidal Modeling . for. . Audio . Signal Processing. Michelle Daniels. PhD Student, University of California, San Diego. Outline. Introduction to sinusoidal . modeling. Existing approach. Proposed optimization post-processing. J. McCalley. 1. Real-time. Electricity markets and tools. Day-ahead. SCUC and SCED. SCED. Minimize f(. x. ). s. ubject to. h. (. x. )=. c. g. (. x. ). <. . b. BOTH LOOK LIKE THIS. SCUC: . x. contains discrete & continuous variables.. Date Monday June 17 2013 till Thursday June 20 2013TimeVenue Included 2 Co31ee Breaks and a Lunch EE Short CourseTopics to be CoveredDue to the limited space RSVP is required byemailing the local coo A planar region . . is called . convex. if and only if for any pair . of points . , . in . , the line segment . lies . completely. in . . .  . Otherwise, it is called . concave. . . Convex.  . Objectives. Study the basic components of an . optimization problem. .. Formulation of design problems as mathematical programming problems. . Define . stationary points . Necessary and sufficient conditions for the relative maximum of a function of a single variable and for a function of two variables. . Lecture 2 . Convex Set. CK Cheng. Dept. of Computer Science and Engineering. University of California, San Diego. Convex Optimization Problem:. 2. . is a convex function. For . , .  .  . Subject to.