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Line 13: :<math>\mathrm{sinc}\Bigl(\frac{k}{m}\Bigr)</math> is the '''Lanczos σ factor''', which is responsible for eliminating most of the Gibbs ~~ringing~~ phenomenon. It does not do so entirely, however, but one can square or even cube the expression to serially attenuate Gibbs Phenomenon in the most extreme cases. == See also ==

Sigma approximation: Difference between revisions