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    function y = bowlpeakfun(x, a, b, c)
%BOWLPEAKFUN Objective function for parameter passing in TUTDEMO.

%   Copyright 2008 The MathWorks, Inc.

y = (x(1)-a).*exp(-((x(1)-a).^2+(x(2)-b).^2))+((x(1)-a).^2+(x(2)-b).^2)/c;