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//Find x in R^2 such that:
// Check if a user specifies correct initial guess or not
function y = fun(x)
y = x(1)^2 + x(2)^2;
endfunction
x0 = [];
options=list("MaxIter", [1500], "CpuTime", [500], "GradObj", "OFF", "Hessian", "OFF");
//Error
//fminunc: Expected Row Vector or Column Vector for x0 (Initial Value)
//at line 160 of function fminunc called by :
//[xopt,fopt,exitflag,output,gradient,hessian] = fminunc (fun, x0, options);
[xopt,fopt,exitflag,output,gradient,hessian] = fminunc (fun, x0, options);
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