vector extrapolation based landweber method for discrete ill-posed problems

vector extrapolation based landweber method for discrete ill-posed problems

;Xi-Le Zhao;Ting-Zhu Huang;Xian-Ming Gu;Liang-Jian Deng
journal of power sources 2017 Vol. 2017 pp. -
185
zhao2017mathematicalvector

Abstract

Landweber method is one of the classical iterative methods for solving linear discrete ill-posed problems. However, Landweber method generally converges very slowly. In this paper, we present the vector extrapolation based Landweber method, which exhibits fast and stable convergence behavior. Moreover, a restarted version of the vector extrapolation based Landweber method is proposed for practical considerations. Numerical results are given to illustrate the benefits of the vector extrapolation based Landweber method.

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ID: 128914
Ref Key: zhao2017mathematicalvector
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0x95644003c57E6F55A65596E3D9Eac6813e3566dA
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128914
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10.1155/2017/1375716
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