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Fondamenti di ottimizzazione convessa
by LEONARDO BELTRAME
| Institution: | Università degli Studi di Padova |
|---|---|
| Department: | |
| Degree: | |
| Year: | 2022 |
| Keywords: | Funzioni; Convessità; Spazi di stato; Derivate; Algoritmi |
| Posted: | 3/25/2025 |
| Record ID: | 2294178 |
| Full text PDF: | http://hdl.handle.net/20.500.12608/33707 |
open L’ottimizzazione è una branca della matematica che si occupa di metodi per la ricerca di massimi/minimi locali e/o globali di funzioni che rappresentano soprattutto costi legato all’economia o all’efficienza di un algoritmo. In questa tesi descriverò gli aspetti teorici dell’ottimizzazione convessa, ovvero prendendo in considerazione funzioni che hanno al massimo un punto critico, definite su domini numerici, discreti e continui; inoltre approfondirò il problema dell’ottimizzazione vincolata, quindi i risultati ammissibili vivono in un intervallo definito e limitato, usando il concetto di dualità. Confronterò i risultati principali del metodo di Newton e del gradiente. Optimization is a branch of mathematics that deals with methods for finding local and/or global maximum/minimum of functions that mainly represent costs related to the economy or the efficiency of an algorithm. In this thesis I will describe the theoretical aspects of convex optimization, or taking into consideration functions that have at most one critical point, defined on discrete and continuous numerical domains; I will also investigate the problem of constrained optimization, so the admissible results live in a defined and limited interval, using the concept of duality. I will compare the main results of Newton's method and of the gradient.
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