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L-BFGS and Delayed Dynamical Systems Approach for Unconstrained Optimization

L-BFGS and Delayed Dynamical Systems Approach for Unconstrained Optimization. Xiaohui XIE Supervisor: Dr. Hon Wah TAM. Outline. Problem background and introduction Analysis for dynamical systems with time delay Introduction of dynamical systems Delayed dynamical systems approach

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536 views • 31 slides

Unconstrained Optimization

Unconstrained Optimization. Rong Jin. Logistic Regression. The optimization problem is to find weights w and b that maximizes the above log-likelihood. How to do it efficiently ?. Gradient Ascent. Compute the gradient Increase weights w and threshold b in the gradient direction.

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1.25k views • 16 slides

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Quasi newton method bfgs - PowerPoint PPT Presentation

L-BFGS and Delayed Dynamical Systems Approach for Unconstrained Optimization

Unconstrained Optimization