On the Approximation Order of Principal
β
Michael J. Johnson
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Article
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1997
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Elsevier Science
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English
β 482 KB
For 1 p , sufficient conditions on the generators [, h ] h>0 are given which ensure that the h-dilates of the shift-invariant space generated by , h provide L p -approximation of order k>0. Examples where , h is an exponential box spline or certain dilates of the Gaussian e &| } | 2 are considered;