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//Find x in R^2 such that:
// Check if a user specifies correct options or not
function y = fun(x)
y = x(1)^2 + x(2)^2;
endfunction
x0 = [1,2];
function y = grad(x)
y=[2*x(1)];
endfunction
options=list("MaxIter", [1000], "CpuTime", [100], "GradObj", grad, "Hessian", "OFF");
//Error
//fminunc: Expected function for Hessian of Objective
//at line 313 of function fminunc called by :
//[xopt,fopt,exitflag,output,gradient,hessian] = fminunc (fun, x0, options);
//at line 20 of exec file called by :
//exec fminunc_gradient4.sce
[xopt,fopt,exitflag,output,gradient,hessian] = fminunc (fun, x0, options);
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