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5.23.15  Hann window function : hann_window

hann_window takes as arguments a real vector v of length n and optionally an interval n1 .. n2 (with default values n1=0 and n2=n−1 ), and returns the elementwise product of the vector [vn1,…,vn2] and the vector w of length N=n2n1+1 defined by


k π

for k=0,1,…,N−1 . For example, input :


followed by scatterplot(L).

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