PPT-Gradient free optimization for deep learning

Usman Roshan NJIT Derivative free optimization Pros Can handle any activation function for example sign Free from vanishing and exploding gradient problems Cons May take longer than gradient search. How Yep Take derivative set equal to zero and try to solve for 1 2 2 3 df dx 1 22 2 2 4 2 df dx 0 2 4 2 2 12 32 Closed8722form solution 3 26 brPage 4br CS545 Gradient Descent Chuck Anderson Gradient Descent Parabola Examples in R Finding Mi Gradient descent. Key Concepts. Gradient descent. Line search. Convergence rates depend on scaling. Variants: discrete analogues, coordinate descent. Random restarts. Gradient direction . is orthogonal to the level sets (contours) of f,. S . Amari. 11.03.18.(Fri). Computational Modeling of Intelligence. Summarized by . Joon. . Shik. Kim. Abstract. The ordinary gradient of a function does not represent its steepest direction, but the natural gradient does.. :. Application to Compressed Sensing and . Other Inverse . Problems. M´ario. A. T. . Figueiredo. Robert . D. . Nowak. Stephen . J. Wright. Background. Previous Algorithms. Interior-point method. . Professor Qiang Yang. Outline. Introduction. Supervised Learning. Convolutional Neural Network. Sequence Modelling: RNN and its extensions. Unsupervised Learning. Autoencoder. Stacked . Denoising. . Lecture 4. September 12, 2016. School of Computer Science. Readings:. Murphy Ch. . 8.1-3, . 8.6. Elken (2014) Notes. 10-601 Introduction to Machine Learning. Slides:. Courtesy William Cohen. Reminders. Classification of algorithms. The DIRECT algorithm. Divided rectangles. Exploration and Exploitation as bi-objective optimization. Application to High Speed Civil Transport. Global optimization issues. Non-convex optimization. All loss-functions that are not convex: not very informative.. Global optimality: too strong. Weaker notions of optimality?. What is a saddle point?. Different kinds of critical/stationary points. Sources: . Stanford CS 231n. , . Berkeley Deep RL course. , . David Silver’s RL course. Policy Gradient Methods. Instead of indirectly representing the policy using Q-values, it can be more efficient to parameterize and learn it directly. Deep Reinforcement Learning Sanket Lokegaonkar Advanced Computer Vision (ECE 6554) Outline The Why? Gliding Over All : An Introduction Classical RL DQN-Era Playing Atari with Deep Reinforcement Learning [2013] . SYFTET. Göteborgs universitet ska skapa en modern, lättanvänd och . effektiv webbmiljö med fokus på användarnas förväntningar.. 1. ETT UNIVERSITET – EN GEMENSAM WEBB. Innehåll som är intressant för de prioriterade målgrupperna samlas på ett ställe till exempel:. Jiang. Feb 17. Model formulation.  .  .  .  .  .  . …. Recall the model of fully-connected neural networks.  . When .  . Linear Networks. In the following slides, we only consider linear networks without bias:. Ryota Tomioka (. ryoto@microsoft.com. ). MSR Summer School. 2 July 2018. Azure . iPython. Notebook. https://notebooks.azure.com/ryotat/libraries/DLTutorial. Agenda. This lecture covers. Introduction to machine learning. Michael Kantor. CEO and Founder . Promotion Optimization Institute (POI). First Name. Last Name. Company. Title. Denny. Belcastro. Kimberly-Clark. VP Industry Affairs. Pam. Brown. Del Monte. Director, IT Governance & PMO.