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Rescaled Pure Greedy Algorithm for Hilbert and Banach Spaces

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 نشر من قبل Guergana Petrova
 تاريخ النشر 2015
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 تأليف Guergana Petrova




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We show that a very simple modification of the Pure Greedy Algorithm for approximating functions by sparse sums from a dictionary in a Hilbert or more generally a Banach space has optimal convergence rates on the class of convex combinations of dictionary elements



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