bench 2 - intsolver

f = @(x) x(1)/(x(2)+1e-15) + x(3)/(x(4)+1e-15) + x(5)/(x(6)+1e-15) + x(6)/(x(1)+1e-15) + 1e-7*(x(1)+x(2)+x(3)+x(4)+x(5)+x(6));
opts = intoptimset();
opts(1) = 1e-9; % ftol
x0 = [infsup(0,1), infsup(0,1), infsup(0,1),infsup(0,1), infsup(0,1), infsup(0,1)];
tic
x = intminunc(f, x0,opts)
toc


 ite     evf     evg     evi     evh     min         nsol    nlist   completed

 0   1   0   0   0   Inf     0   1   0.000
x =
     []
Elapsed time is 0.072212 seconds.