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MathematikOnline lexicon:  
Real FourierSeries 
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z  overview 


(i) Cosine coefficients:
(ii) Sine coefficients:
(iii) Fourier series of :
Since is not continuous, the convergence of the Fourier series is very slow. We notice oscillations in the vicinity of the jump discontinuities, which is referred to as Gibb's phenomenon.
see also:
automatisch erstellt am 22. 9. 2016 