Here you can find the source of subtract(final double[] first, final double[] second)
final public static double[] subtract(final double[] first, final double[] second)
//package com.java2s; /*//w ww. ja va 2 s . c o m * ==================================================== * Copyright (C) 2013 by Idylwood Technologies, LLC. All rights reserved. * * Developed at Idylwood Technologies, LLC. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * The License should have been distributed to you with the source tree. * If not, it can be found at * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * Author: Charles Cooper * Date: 2013 * ==================================================== */ public class Main { final public static double[] subtract(final double[] first, final double[] second) { final int len = Math.min(first.length, second.length); final double ret[] = new double[len]; for (int i = 0; i < len; i++) ret[i] = first[i] - second[i]; return ret; } public final static double min(double... values) { if (values.length == 0) return Double.NaN; double ret = values[0]; for (int i = 1; i < values.length; i++) if (values[i] < ret) ret = values[i]; return ret; } }