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// Example where maxiter exceeds the preset value
function y=f(x)
y=x(1)*x(2)+x(2)*x(3);
endfunction
//Starting point, linear constraints and variable bounds
x0=[0.1 , 0.1 , 0.1];
A=[];
b=[];
Aeq=[];
beq=[];
lb=[];
ub=[];
intcon=[1,2];
//Nonlinear constraints
function [c,ceq]=nlc(x)
c = [x(1)^2 - x(2)^2 + x(3)^2 - 2 ; x(1)^2 + x(2)^2 + x(3)^2 - 10]';
ceq = [];
endfunction
//Hessian of the Lagrange Function
function y= lHess(x,obj,lambda)
y= obj*[0,1,0;1,0,1;0,1,0] + lambda(1)*[2,0,0;0,-2,0;0,0,2] + lambda(2)*[2,0,0;0,2,0;0,0,2]
endfunction
//Options
options=list("MaxIter", [5], "CpuTime", [1500], "Hessian", lHess);
//Calling fmincon
[xopt,fopt,exitflag,output,hessian] =intfmincon(f, x0,intcon,A,b,Aeq,beq,lb,ub,nlc,options)
// Limit Exceeded.
// hessian =
// 0. 1. 0. 1. 0. 1. 0. 1. 0.
// output =
// - 2. 3.4142136 - 2.
// exitflag =
// 3
// fopt =
// - 6.8284271
// xopt =
// 2.
// - 2.
// 1.4142136
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