//Find x in R^2 such that: // Check if a user specifies correct options for hessian function y = fun(x) y = x(1)^2 + x(2)^2; endfunction x0 = [1,2]; hess = []; options=list("MaxIter", [1000], "CpuTime", [100], "Hessian", hess); //Error //fminunc: Expected function for Hessian of Objective //at line 341 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);