/**
* Copyright 2010 Neuroph Project http://neuroph.sourceforge.net
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.neuroph.core.input;
import java.io.Serializable;
import java.util.Vector;
/**
* Calculates the input vector intensity.
*
* @author Zoran Sevarac <sevarac@gmail.com>
*/
public class Intensity extends SummingFunction implements Serializable {
/**
* The class fingerprint that is set to indicate serialization
* compatibility with a previous version of the class.
*/
private static final long serialVersionUID = 2L;
public double getOutput(Vector<Double> inputVector) {
double sum = 0;
for(Double input : inputVector) {
sum = sum + Math.pow(input.doubleValue(), 2);
}
return Math.sqrt(sum);
}
}
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