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    function f = objfun(x)
%OBJFUN Objective function.
% Documentation example.

%   Copyright 1990-2008 The MathWorks, Inc.

f = exp(x(1)) * (4*x(1)^2 + 2*x(2)^2 + 4*x(1)*x(2) + 2*x(2) + 1);