Java Array Dot Product dotProduct(float[] vector1, float[] vector2)

Description

dot Product

License

Open Source License

Declaration

public static float dotProduct(float[] vector1, float[] vector2) 

Method Source Code

//package com.java2s;
/* // w  w  w. j a v a2 s  .c o m
 * Copyright 2008-2013, ETH Z?rich, Samuel Welten, Michael Kuhn, Tobias Langner,
 * Sandro Affentranger, Lukas Bossard, Michael Grob, Rahul Jain, 
 * Dominic Langenegger, Sonia Mayor Alonso, Roger Odermatt, Tobias Schlueter,
 * Yannick Stucki, Sebastian Wendland, Samuel Zehnder, Samuel Zihlmann,       
 * Samuel Zweifel
 *
 * This file is part of Jukefox.
 *
 * Jukefox 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 any later version. Jukefox 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.
 *
 * You should have received a copy of the GNU General Public License along with
 * Jukefox. If not, see <http://www.gnu.org/licenses/>.
 */

public class Main {
    public static float dotProduct(float[] vector1, float[] vector2) {
        if (vector1 == null || vector2 == null) {
            return 0;
        }
        float sum = 0;
        for (int i = 0; i < vector1.length; i++) {
            float float1 = vector1[i];
            float float2 = vector2[i];
            // sum += vector1[i] * vector2[i];
            sum += float1 * float2;
        }
        return sum;
    }
}

Related

1. dotProduct(final double[] anArray, final double[] anotherArray)
2. dotProduct(final double[] v1, final double[] v2, int n)
3. dotProduct(float x1, float y1, float x2, float y2)
4. dotProduct(float[] p, int a, int b, int c)
5. dotProduct(float[] v1, float[] v2)
6. dotProduct(int[] xs, int[] ys)