Here you can find the source of euclidean(double[] a, double[] b)
| Parameter | Description |
|---|---|
| a | a parameter |
| b | a parameter |
public static double euclidean(double[] a, double[] b)
//package com.java2s; /******************************************************************************* * Copyright 2014 Geoscience Australia (www.ga.gov.au) * @author - Johnathan Kool (Geoscience Australia) * //from w w w .j a va2s. c om * Licensed under the BSD-3 License * * http://opensource.org/licenses/BSD-3-Clause * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. ******************************************************************************/ public class Main { /** * Calculates Euclidean distance for a pair of coordinates * * @param a * @param b */ public static double euclidean(double[] a, double[] b) { if (a.length != b.length) { throw new IllegalArgumentException("Arrays must have the same length"); } int dim = a.length; double d = 0; for (int i = 0; i < dim; i++) { d += (a[i] - b[i]) * (a[i] - b[i]); } return Math.sqrt(d); } }