Java Vector Normalize vectorNormalize(double[] v)

Description

Normalizes the given vector.

License

Open Source License

Parameter

Parameter	Description
v	the vector.

Return

v with the values normalized.

Declaration

public static double[] vectorNormalize(double[] v) 

Method Source Code

//package com.java2s;
/** A collection of mathematical utility functions.
 * <p>//  w  ww  . ja v a 2  s .  co m
 * 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 {
    /** Normalizes the given vector.
     * @param v the vector.
     * @return v with the values normalized.
     */
    public static double[] vectorNormalize(double[] v) {
        double[] result = new double[v.length];
        double sum = 0;
        for (double d : v) {
            sum += d;
        }
        for (int i = 0; i < v.length; i++) {
            result[i] = v[i] / sum;
        }
        return result;
    }
}

Related

1. vectorNorm(double[] v)
2. vectorNorm(double[] vector)
3. vectorNorm(final double[] vector)
4. vectorNorm(float[] v)
5. vectorNorms(boolean[] in, int veclen)