Here you can find the source of interpolatedSample(double xStart, double xVal, double xEnd, double yStart, double yEnd)
public static double interpolatedSample(double xStart, double xVal, double xEnd, double yStart, double yEnd)
//package com.java2s; /**/* w w w . j av a2 s . c o m*/ * Copyright 2004-2006 DFKI GmbH. * All Rights Reserved. Use is subject to license terms. * * This file is part of MARY TTS. * * MARY TTS is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, version 3 of the License. * * 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ public class Main { public static double interpolatedSample(double xStart, double xVal, double xEnd, double yStart, double yEnd) { return (xVal - xStart) * (yEnd - yStart) / (xEnd - xStart) + yStart; } }