Research Article

Memetic Differential Evolution with an Improved Contraction Criterion

Table 1

Comparison of Mean Error and standard deviation between MDE and other six EAs over 25 independent runs on twenty-one 10-dimensional test functions.

ProbCLPSOGL-25CMA-ESLBBOSFLSDEL-SHADEMDE

=
F02===
F03==
F05
F06===
F07=
F08==
F10
F11
F12
F13=
F14
F15
F16=
F18=
F19=
F20
F21=
F22====
F23==

151617788
+443588
=211955

indicates that when six algorithms obtain the global optimum, the intermediate results are reported at NFEs = 10000. “−,” “+,” and “=” denote that the performance of this algorithm is, respectively, worse than, better than, and similar to MDE according to the Wilcoxon signed-rank test at .