Hello, Kian! You wrote to on Tue, 22 Oct 2002 10:07:28 +0100: KH> Can you please share how one could change the mutation rate during KH> the search? ... while(evolving) {ga.pMutation(NewMutationValue(...)); ga.step(); }; ... I used a manually changing but now I want to automate it. With best regards, Finger.