(adsbygoogle = window.adsbygoogle || []).push({}); Optimization: I am going insane here

I've really run out of ideas... please help me.!!!

%golden.m

function [f,a]=golden(func,p,tol)

func='dfunc';

p=[0 1]

g=0.38;

a=p(1);

b=p(2);

r=b-a

tol=0.01;

iter=0

while r>tol

x=[a+g*r b-g*r]

y=feval(func,x)

if y(1)<y(2)

b=x(2);

else

a=x(1);

end

r=b-a;

iter=iter+1;

end

iter

f=feval (func, a);

%dfunc.mfunction

q=dfunc(x)

q=x'*x-3*x*(exp^-x);

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# Optimization: Wots wrong with my MATLAB CODE

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