commit 0472ac46ecae82d7162a2dfb1a2bcb30c32fc77f
author Edward J. Yoon <edwardyoon@apache.org> Thu Jul 02 06:07:18 2015 +0000
committer Edward J. Yoon <edwardyoon@apache.org> Thu Jul 02 06:07:18 2015 +0000
tree 4625c5e5322e829a0c5d48350e42958a3b6458e2
parent 3d52fa804cbbf51dd35b1daa4cc81e12c9127591

Removed useless operations.

git-svn-id: https://svn.apache.org/repos/asf/hama/trunk@1688764 13f79535-47bb-0310-9956-ffa450edef68

ml/src/main/java/org/apache/hama/ml/ann/SmallLayeredNeuralNetwork.java

diff --git a/ml/src/main/java/org/apache/hama/ml/ann/SmallLayeredNeuralNetwork.java b/ml/src/main/java/org/apache/hama/ml/ann/SmallLayeredNeuralNetwork.java
index 3ec6b78..fdda61f 100644
--- a/ml/src/main/java/org/apache/hama/ml/ann/SmallLayeredNeuralNetwork.java
+++ b/ml/src/main/java/org/apache/hama/ml/ann/SmallLayeredNeuralNetwork.java
@@ -430,10 +430,9 @@
       // add regularization
       costFuncDerivative += this.regularizationWeight
           * lastWeightMatrix.getRowVector(i).sum();
-      deltaVec.set(i, costFuncDerivative);
       deltaVec.set(
           i,
-          deltaVec.get(i)
+          costFuncDerivative
               * squashingFunction.applyDerivative(output.get(i + 1)));
     }