Fig. 3From: Portfolio optimization by improved NSGA-II and SPEA 2 based on different risk measuresMean total CPU times (in seconds) for the Mean-semi-variance (charts at the top), Mean-CVaR (charts in the middle) and Mean-semi-variance-CVaR (charts below) portfolio optimization problems for 100,000 function evaluations of the algorithms NSGA-IIb, NSGA-IIa, SPEA 2b and SPEA 2a for the considered datasets over 20 simulationsBack to article page