Here you can find the source of vector_product(double[] v, double[] w)
public static double[] vector_product(double[] v, double[] w)
//package com.java2s; /*//www.j a v a2 s. c om * AACalc - Asset Allocation Calculator * Copyright (C) 2009, 2011-2016 Gordon Irlam * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static double[] vector_product(double[] v, double[] w) { assert (v.length == w.length); double[] r = new double[v.length]; for (int i = 0; i < v.length; i++) r[i] = v[i] * w[i]; return r; } }