slight modification, removed useless new shuffle

thomasWeise · Mar 28, 2020 · de65159 · de65159
1 parent d7cac14
commit de65159
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Showing 4 changed files with 3 additions and 7 deletions.
diff --git a/README.md b/README.md
@@ -44,15 +44,15 @@ First, you need to add the following repository, which is a repository that can
 ```
 
 Than you can add the dependency on our `aitoa-code` repository into your `dependencies` section.
-Here, `0.8.47` is the current version of  `aitoa-code`.
+Here, `0.8.48` is the current version of  `aitoa-code`.
 Notice that you may have more dependencies in your `dependencies` section, say on `junit`, but here I just put the one for `aitoa-code` as example.
 
 ```xml
 <dependencies>
   <dependency>
     <groupId>com.github.thomasWeise</groupId>
     <artifactId>aitoa-code</artifactId>
-    <version>0.8.47</version>
+    <version>0.8.48</version>
   </dependency>
 </dependencies>
 ```

diff --git a/pom.xml b/pom.xml
@@ -5,7 +5,7 @@
 
 	<groupId>aitoa</groupId>
 	<artifactId>aitoa-code</artifactId>
-	<version>0.8.47</version>
+	<version>0.8.48</version>
 	<packaging>jar</packaging>
 	<name>aitoa-code</name>
 	<description>Example Source Codes from the Book "Introduction to Optimization Algorithms"</description>

diff --git a/src/main/java/aitoa/algorithms/EDA.java b/src/main/java/aitoa/algorithms/EDA.java
@@ -13,7 +13,6 @@
 import aitoa.structure.INullarySearchOperator;
 import aitoa.structure.ISpace;
 import aitoa.structure.LogFormat;
-import aitoa.utils.RandomUtils;
 
 /**
  * An estimation of distribution algorithm does not apply search
@@ -130,7 +129,6 @@ public final void solve(final IBlackBoxProcess<X, Y> process) {
     }
 
     for (;;) {// each iteration: update model, sample model
-      RandomUtils.shuffle(random, P, 0, P.length);
       Arrays.sort(P); // sort: best solutions at start
 // update model with mu<lambda best solutions
       Model.update(IModel.use(P, 0, this.mu));

diff --git a/src/main/java/aitoa/algorithms/EDAWithFitness.java b/src/main/java/aitoa/algorithms/EDAWithFitness.java
@@ -13,7 +13,6 @@
 import aitoa.structure.INullarySearchOperator;
 import aitoa.structure.ISpace;
 import aitoa.structure.LogFormat;
-import aitoa.utils.RandomUtils;
 
 /**
  * An {@linkplain aitoa.algorithms.EDA estimation of distribution
@@ -132,7 +131,6 @@ public final void solve(final IBlackBoxProcess<X, Y> process) {
     }
 
     for (;;) {// each iteration: update model, sample model
-      RandomUtils.shuffle(random, P, 0, P.length);
       this.fitness.assignFitness(P);
       Arrays.sort(P); // sort: best solutions at start
 // update model with mu<lambda best solutions