Search Results - "multi-level algorithms"

A multi-level algorithm for the solution of moment problems by Scherzer, Otmar, Strohmer, Thomas

“… Multi-level algorithms, based on the conjugate gradient method and the Landweber-Richardson method are proposed that determine the "optimal" reconstruction level a posteriori from quantities…”
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An iterative multi level algorithm for solving nonlinear ill-posed problems by Scherzer, Otmar

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An analysis of a multi-level projected steepest descent iteration for nonlinear inverse problems in Banach spaces subject to stability constraints by de Hoop, Maarten V., Qiu, Lingyun, Scherzer, Otmar

“… We proceed with developing a multi-level algorithm based on a nested family of compact, convex subsets on which stability holds and the stability constants are ordered…”
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Novel Multi-level Projected Iteration to Solve Inverse Problems with Nearly Optimal Accuracy by Mittal, Gaurav, Giri, Ankik Kumar

“… Further, we consider a nested family of convex and compact sets on which stability holds, and based on this family, we develop a multi-level algorithm with nearly optimal accuracy…”
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A convergence analysis of a multi-level projected steepest descent iteration for nonlinear inverse problems in Banach spaces subject to stability constraints by de Hoop, Maarten V, Qiu, Lingyun, Scherzer, Otmar

“… We proceed with developing a multi-level algorithm based on a nested family of closed, convex subsets on which stability holds and the stability constants are ordered…”
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