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Highlights from
Adaptive Filtering

from Adaptive Filtering by Paulo S. R. Diniz
MATLAB files to implement all Adaptive Filtering Algorithms in this book.

[y]=sgm(x,c1,c2) 
function [y]=sgm(x,c1,c2)
%  Funcao sigmoide
%  y = 2*c1/(1+exp(-c2*x))-c1

y=2*c1./(1+exp(-c2*x))-c1;

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