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//Find x in R^2 such that:
// An Infeasible Example (Solver will show this as "Regularization becomes too large")
function y = fun(x)
y = log(x);
endfunction
x0 = [1];
options=list("MaxIter", [1500], "CpuTime", [500], "GradObj", "OFF", "Hessian", "OFF");
//Output
//
//Error in step computation (regularization becomes too large?)!
// hessian =
//
// []
// gradient =
//
// []
// output =
//
// Iterations: 26
// Cpu_Time: 0.044
// Message: "Error in step computation (regularization becomes too large?)!"
// exitflag =
//
// 10
// fopt =
//
// []
// xopt =
//
// []
[xopt,fopt,exitflag,output,gradient,hessian] = fminunc (fun, x0, options)
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