function bl = bestlambda(s)
%function bl = bestlambda(s) 

% Copyright (c) 2004-2006 Alessio Botta, Alberto Dainotti, Antonio Pescapè
% Email: {a.botta , alberto , pescape }@unina.it
% DIS - Dipartimento di Informatica e Sistemistica 
% University of Napoli Federico II, ITALY
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bl = s(1,1);
min = s(1,1) - s(1,2);

for i = 2:length(s)
	a = s(i,1) + s(i,2);
	if a < min
		min = a;
		bl = s(i,1);
	end
end