PPT-1 CSE203B Convex Optimization

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. The following are equivalent is PSD ie Ax for all all eigenvalues of are nonnegative for some real matrix Corollary Let be a homogeneous quadratic polynomial Then for all if and only if for some Rudi Pendavingh TUE Semide64257nite matrices Con 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. 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.. 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. 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.. Lenses. A . convex lens. (or a . converging lens. ) converges parallel light rays passing through it.. Various shapes of convex lenses. Terms for describing lenses. Optical centre. is the centre of a lens.. 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. 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.. Georgina . Hall. Princeton, . ORFE. Joint work with . Amir Ali Ahmadi. Princeton, ORFE. 1. 5/4/2016. IBM May 2016. Nonnegative and convex polynomials. A polynomial . is nonnegative if . How does . nonnegativity. 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. Motivation and IntroductionHow to employ data for optimal control? Plant DisturbanceInputController CostsConstraints State •Model-Free RL simultaneously parameterize -Poor data efficiency-Dynamic Also called, why the human eye is spherical instead of flat.. Ever wondered…?. Objectives. WWBAT…. Describe how an image is formed by a thin convex lens. Determine . the location of image formation for a thin convex lens. Nicholas . Ruozzi. University of Texas at Dallas. Where We’re Going. Multivariable calculus tells us where to look for global optima, but our goal is to design algorithms that can actually find one!.