diff options
| -rw-r--r-- | nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/deps/behavior/DEGTBehavior.java | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/deps/behavior/DEGTBehavior.java b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/deps/behavior/DEGTBehavior.java index b6387bfb8a96..e5677818c0ef 100644 --- a/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/deps/behavior/DEGTBehavior.java +++ b/nlpsolver/ThirdParty/EvolutionarySolver/src/net/adaptivebox/deps/behavior/DEGTBehavior.java @@ -57,7 +57,7 @@ public class DEGTBehavior extends AbsGTBehavior implements ILibEngine { if (Math.random()<CR || k == DIMENSION-1) { double Dabcd = 0; for(int i=0; i<referPoints.length; i++) { - Dabcd += Math.pow(-1, i%2)*referPoints[i].getLocation()[rj]; + Dabcd += (i%2==0 ? +1D : -1D)*referPoints[i].getLocation()[rj]; } trailPoint.getLocation()[rj] = gbest_t.getLocation()[rj]+FACTOR*Dabcd; } else { |