'Search directions' presentation slideshows

Derivative-free Methods using Linesearch Techniques

Derivative-free Methods using Linesearch Techniques. Stefano Lucidi. joint works with. L. Grippo. (the father linesearch approach). F. Lampariello. M. Sciandrone. P. Tseng. G. Fasano. G. Liuzzi. V. Piccialli. F. Rinaldi. (in order of appearance in this research activity).

938 views • 93 slides

Chapter 6

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QR Factorization Direct Method to solve linear systems Problems that generate Singular matrices

Pertemuan 2. Outline. QR Factorization Direct Method to solve linear systems Problems that generate Singular matrices Modified Gram-Schmidt Algorithm QR Pivoting Matrix must be singular, move zero column to end.

486 views • 39 slides

Method of Hooke and Jeeves

Method of Hooke and Jeeves. Multidimensional Search Without Using Derivatives. In this section we consider the problem of minimizing a function f of several variables without using derivatives. The methods described here proceed in the following manner. .

1.28k views • 30 slides

Conjugate Gradient

733 views • 29 slides

Unconstrained Optimization

Unconstrained Optimization. Objective: Find minimum of F( X ) where X is a vector of design variables We may know lower and upper bounds for optimum No constraints. Outline. General optimization strategy Optimization of second degree polynomials Zero order methods Random search

204 views • 14 slides

Chapter 6

95 views • 9 slides