Commons Math example source code file (NevilleInterpolator.java)

This example Commons Math source code file (NevilleInterpolator.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons Math tags/keywords

io, mathexception, mathexception, nevilleinterpolator, nevilleinterpolator, polynomialfunctionlagrangeform, polynomialfunctionlagrangeform, serializable, univariaterealinterpolator, univariaterealinterpolator

The Commons Math NevilleInterpolator.java source code

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License 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.
 */
package org.apache.commons.math.analysis.interpolation;

import java.io.Serializable;

import org.apache.commons.math.MathException;
import org.apache.commons.math.analysis.polynomials.PolynomialFunctionLagrangeForm;

/**
 * Implements the <a href="http://mathworld.wolfram.com/NevillesAlgorithm.html">
 * Neville's Algorithm</a> for interpolation of real univariate functions. For
 * reference, see <b>Introduction to Numerical Analysis, ISBN 038795452X,
 * chapter 2.
 * <p>
 * The actual code of Neville's evalution is in PolynomialFunctionLagrangeForm,
 * this class provides an easy-to-use interface to it.</p>
 *
 * @version $Revision: 799857 $ $Date: 2009-08-01 09:07:12 -0400 (Sat, 01 Aug 2009) $
 * @since 1.2
 */
public class NevilleInterpolator implements UnivariateRealInterpolator,
    Serializable {

    /** serializable version identifier */
    static final long serialVersionUID = 3003707660147873733L;

    /**
     * Computes an interpolating function for the data set.
     *
     * @param x the interpolating points array
     * @param y the interpolating values array
     * @return a function which interpolates the data set
     * @throws MathException if arguments are invalid
     */
    public PolynomialFunctionLagrangeForm interpolate(double x[], double y[])
        throws MathException {
        return new PolynomialFunctionLagrangeForm(x, y);
    }
}