Java Array Normalize normalizeVector(final double[] v)

Description

normalize Vector

License

Open Source License

Declaration

public static void normalizeVector(final double[] v) 

Method Source Code

//package com.java2s;
/*/*from w  w  w.  j a  v  a 2  s  .c o m*/
 * Copyright (C) 2013 by Array Systems Computing Inc. http://www.array.ca
 *
 * 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.
 * 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.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, see http://www.gnu.org/licenses/
 */

public class Main {
    public static void normalizeVector(final double[] v) {
        final double norm = Math.sqrt(innerProduct(v, v));
        v[0] /= norm;
        v[1] /= norm;
        v[2] /= norm;
    }

    public static double innerProduct(final double[] a, final double[] b) {
        return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
    }
}

Related

1. normalizeToSumUpTo(double[] x, double sumUp)
2. normalizeTrimmedText(char[] ch)
3. NormalizeVec2D(double[] vec)
4. normalizeVector(double[] input)
5. normalizeVector(Double[] vector)
6. normalizeVector(float[] samples)
7. normalizeVectorMax(double[] input)
8. normalizeVectorMaxMin(float[] samples)
9. normalizeVectors(float[][] vectors, boolean maxMin)