Properties of subgradient projection iteration when applying to linear imaging system

In this paper, the subgradient projection iteration is used to find an approximation solution of a weighted least-squares problem with respect to linear imaging system. Instead of an exact or approximate line search in each iteration, the step length in this paper is fixed by the weighted least-squa...

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Vydáno v:	Optimization letters Ročník 13; číslo 6; s. 1285 - 1297
Hlavní autor:	Wang, Caifang
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	Berlin/Heidelberg Springer Berlin Heidelberg 01.09.2019
Témata:	Computational Intelligence Mathematics Mathematics and Statistics Numerical and Computational Physics Operations Research/Decision Theory Optimization Original Paper Simulation Subgradient projection algorithm Weighted singular value decomposition Linear system Convergence condition Decreasing property
ISSN:	1862-4472, 1862-4480
On-line přístup:	Získat plný text
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