How to get modified files from MATLAB evaluations other than the last one- Genetic optimization in MATLAB

Hello,

I've coded a genetic optimization algorithm in MATLAB. The code optimizes ANSYS (Finite Element Method) model files. The code runs many iterations, and edits input and output files. I can run the last input file in MATLAB, because it's the last one that remains after optimization. However, I would like to obtain input files resultant from other (previous) evaluations, such as maximum f1, maximum f2, and the point closest to the origin of the f1 vs f2 chart (I am using two objectives f1 and f2). How can I get input files from desired evaluations?

thanks in advance, Best regards,