Java Array Value Add arrayAdd(double[] d1, double d2[])

Description

Adds corresponding elements of two arrays.

License

Open Source License

Parameter

Parameter	Description
d1	the first array
d2	the second array

Return

the element-wise sum of d1 + d2

Declaration

public static double[] arrayAdd(double[] d1, double d2[]) 

Method Source Code

//package com.java2s;
/** A collection of mathematical utility functions.
 * <p>//ww w . ja va 2 s  .c  om
 * Copyright (c) 2008 Eric Eaton
 * <p>
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * <p>
 * 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 Public License for more details.
 * <p>
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see http://www.gnu.org/licenses/.
 *
 * @author Eric Eaton (EricEaton@umbc.edu) <br>
 *         University of Maryland Baltimore County
 *
 * @version 0.1
 *
 */

public class Main {
    /** Adds corresponding elements of two arrays.
     * @param d1 the first array
     * @param d2 the second array
     * @return the element-wise sum of d1 + d2
     */
    public static double[] arrayAdd(double[] d1, double d2[]) {
        if (d1 == null || d2 == null) {
            throw new IllegalArgumentException("Arrays cannot be null.");
        }
        if (d1.length != d2.length) {
            throw new IllegalArgumentException("Arrays must be the same length.");
        }
        double[] dSum = new double[d1.length];
        for (int i = 0; i < d1.length; i++) {
            dSum[i] = d1[i] + d2[i];
        }
        return dSum;
    }
}

Related

1. arrayAdd(final Double[] first, final Double[] second)
2. ArrayAdd(float[] a, int[] b)
3. ArrayScale(float[] a, float b)