multiplies each element of the passed double array with itself - Android java.lang

Android examples for java.lang:Array Element

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Description

multiplies each element of the passed double array with itself

Demo Code


//package com.java2s;

public class Main {
    /**/*from  w  w  w . ja  v a  2s.com*/
     * multiplies each element of the passed double array
     * with itself
     * @param _a the array to square
     * @return an array containing squared values of the passed array
     */
    public static double[] square(double[] _a) {
        return multiply(_a, _a);
    }

    /**
     * multiplies two passed double arrays element by element
     * @param _a the first array
     * @param _b the second array
     * @return an array containing the element wise multiplication
     * of the passed arrays
     */
    public static double[] multiply(double[] _a, double[] _b) {
        double[] res = new double[_a.length];
        for (int i = 0; i < res.length; i++) {
            res[i] = _a[i] * _b[i];
        }
        return res;
    }
}

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