Commons Math example source code file (GammaDistribution.java)

This example Commons Math source code file (GammaDistribution.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

continuousdistribution, continuousdistribution, deprecated, deprecated, gammadistribution, gammadistribution, hasdensity, hasdensity

The Commons Math GammaDistribution.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.distribution;

/**
 * The Gamma Distribution.
 *
 * <p>
 * References:
 * <ul>
 * <li>
 * Gamma Distribution</a>
 * </ul>
 * </p>
 *
 * @version $Revision: 920852 $ $Date: 2010-03-09 07:53:44 -0500 (Tue, 09 Mar 2010) $
 */
public interface GammaDistribution extends ContinuousDistribution, HasDensity<Double> {
    /**
     * Modify the shape parameter, alpha.
     * @param alpha the new shape parameter.
     * @deprecated as of v2.1
     */
    @Deprecated
    void setAlpha(double alpha);

    /**
     * Access the shape parameter, alpha
     * @return alpha.
     */
    double getAlpha();

    /**
     * Modify the scale parameter, beta.
     * @param beta the new scale parameter.
     * @deprecated as of v2.1
     */
    @Deprecated
    void setBeta(double beta);

    /**
     * Access the scale parameter, beta
     * @return beta.
     */
    double getBeta();

    /**
     * Return the probability density for a particular point.
     * @param x  The point at which the density should be computed.
     * @return  The pdf at point x.
     */
    double density(Double x);
}