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+// Example with objective function and inequality constraints
+
+function y=fun(x)
+ y=0
+ for i = 1:20
+ y = y + exp(x(i))
+ end
+endfunction
+
+x0 = repmat(1,1,20);
+lb = repmat(0,1,20);
+
+A=[-1,-5,-3 repmat(0,1,17); -0.5,-2.5 -1.5 repmat(0,1,17);];
+b=[-100 -50]';
+
+//Nonlinear constraints
+function [c,ceq]=nlc(x)
+ cfor = 0;
+ for i = 1:20
+ cfor = cfor + 2*exp(x(i))
+ end
+ c = [ cfor + 1];
+ ceq = [];
+endfunction
+
+[xopt,fopt,exitflag,output,lambda,gradient,hessian] = fmincon (fun, x0,A,b,[],[],lb,[],nlc)