Here you can find the source of sumSquareDoubleArray(double[] v)
public static double sumSquareDoubleArray(double[] v)
//package com.java2s; public class Main { public static double sumSquareDoubleArray(double[] v) { double sum = 0; for (double d : v) { sum += d * d;//from w w w .java 2 s .c om } return sum; } }