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function y = fun(x)
y = 3*x(1)^2 + 2*x(1)*x(2) + x(2)^2 - 4*x(1) + 5*x(2) ;
endfunction
[xval, fval, status, gradient, hessian] = intfminunc(fun,[1 2],[2])
x1 = [0,-5];
x2 = [4,4];
[xval, fval, status, gradient, hessian] = intfminbnd(fun,[1],x1,x2)
//Find x in R^6 such that it minimizes:
//f(x)= sin(x1) + sin(x2) + sin(x3) + sin(x4) + sin(x5) + sin(x6)
//-2 <= x1,x2,x3,x4,x5,x6 <= 2
//Objective function to be minimised
function y=f(x)
y=0
for i =1:6
y=y+sin(x(i));
end
endfunction
//Variable bounds
x1 = [-2, -2, -2, -2, -2, -2];
x2 = [2, 2, 2, 2, 2, 2];
intcon = [];
//Options
[x,fval] =intfminbnd(f ,intcon, x1, x2)
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