Wednesday, August 10, 2005


Visualization implemented in NSGA2

Recently, I discovered that a new version of NSGA2 from the Kanpur Genetic Algorithms Laboratory KanGAL included a visualization using gnuplot. It is thus possible during the run to track the progress of the algorithm visually. The visualization only works in 2 or 3 dimensions, but it is possible to decide which objectives are shown on the different axes, so even for problems having more than 3 objectives it is possible to choose the objectives that are plotted during the run. I think it is really nice to be able to track the progress of the algorithm during the run, and the way the visualization is implemented using gnuplot is quite good.

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