Java Array Sum Square sumSquares(double[] aArray)

Description

Computes the sum of the squares all elements in the given array.

License

Open Source License

Parameter

Parameter	Description
aArray	Array of numbers.

Return

Sum of the squares of all elements of aArray.

Declaration

public static double sumSquares(double[] aArray) 

Method Source Code

//package com.java2s;
/*//from  www  . ja  v a2 s  . c o m
 * #%L
 * Cytoscape NetworkAnalyzer Impl (network-analyzer-impl)
 * $Id:$
 * $HeadURL:$
 * %%
 * Copyright (C) 2006 - 2013
 *   Max Planck Institute for Informatics, Saarbruecken, Germany
 *   The Cytoscape Consortium
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as 
 * published by the Free Software Foundation, either version 2.1 of the 
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public 
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/lgpl-2.1.html>.
 * #L%
 */

public class Main {
    /**
     * Computes the sum of the squares all elements in the given array.
     * 
     * @param aArray Array of numbers.
     * @return Sum of the squares of all elements of <code>aArray</code>.
     */
    public static double sumSquares(double[] aArray) {
        double result = 0;
        for (final double a : aArray) {
            result += a * a;
        }
        return result;
    }
}

Related

1. sumSquared(double[] data, double term)
2. SumSquared(Object in)
3. sumSquaredError(double[] a, double[] b)
4. sumSquareDev(double[] values, double target)
5. sumSquareDoubleArray(double[] v)
6. sumSquares(double[] data)
7. sumSquares(final float[] a)
8. sumSquares(float[] in)
9. sumValuesSquared(double[] vector)