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Note on the Gibbs Phenomenon

Published online by Cambridge University Press:  24 October 2008

S. Verblunsky
Affiliation:
Magdalene College

Extract

The Fourier series of the function defined by

is

and if

then

while

The expression (1) exceeds (2); this is the Gibbs phenomenon.

Type
Articles
Copyright
Copyright © Cambridge Philosophical Society 1930

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References

* I owe this remark to a referee.

Szegö, , Acta Scient. Univ. Hung. Szeged, 3 (1927), 1724.Google Scholar

* The formal proof of this statement follows in a simple manner from the result of lemma 3.