Newton type iteration for Tikhonov regularization of non-linear ill-posed Hammerstein type equations |
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Authors: | Santhosh George Monnanda Erappa Shobha |
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Institution: | 1. Department of Mathematical and Computational Sciences, National Institute of Technology Karnataka, 575 025, Surathkal, India
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Abstract: | An iterative method is investigated for a nonlinear ill-posed Hammerstein type operator equation KF(x)=f. We use a center-type Lipschitz condition in our convergence analysis instead of the usual Lipschitz condition. The adaptive method of Pereverzev and Schock (SIAM J. Numer. Anal. 43(5):2060–2076, 2005) is used for choosing the regularization parameter. The optimality of this method is proved under a general source condition involving the Fréchet derivative of F at some initial guess x 0. A numerical example of nonlinear integral equation shows the efficiency of this procedure. |
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