Java Vector Multiply vectorMultiply(double s, double[] v)

Description

Performs scalar multiplication on a vector.

License

Open Source License

Parameter

Parameter	Description
s	a scalar value.
v	the vector.

Return

the scalar product of s and v.

Declaration

public static double[] vectorMultiply(double s, double[] v) 

Method Source Code

//package com.java2s;
/** A collection of mathematical utility functions.
 * <p>/*from www  . j  av a2  s .  c  o  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 {
    /** Performs scalar multiplication on a vector.
     * @param s a scalar value.
     * @param v the vector.
     * @return the scalar product of s and v.
     */
    public static double[] vectorMultiply(double s, double[] v) {
        double[] result = new double[v.length];
        for (int i = 0; i < result.length; i++) {
            result[i] = s * v[i];
        }
        return result;
    }
}

Related

1. vectorMatrixMultiply(double[][] matrix, double[] vector)
2. vectorMult(final float[] result, final float[] m, final float[] v)
3. vectorMult3D(float[] array, int vectorIndex, float scale)