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17 package org.apache.commons.math.distribution;
18
19 /**
20 * Cauchy Distribution.
21 * Instances of CauchyDistribution objects should be created using
22 * {@link DistributionFactory#createCauchyDistribution(double, double)}.<p>
23 *
24 * <p>
25 * References:<p>
26 * <ul>
27 * <li><a href="http://mathworld.wolfram.com/CauchyDistribution.html">
28 * Cauchy Distribution</a></li>
29 * </ul>
30 * </p>
31 *
32 * @since 1.1
33 * @version $Revision: 201915 $ $Date: 2005-06-26 15:20:57 -0700 (Sun, 26 Jun 2005) $
34 */
35 public interface CauchyDistribution extends ContinuousDistribution {
36
37 /**
38 * Access the median.
39 * @return median for this distribution
40 */
41 double getMedian();
42
43 /**
44 * Access the scale parameter.
45 * @return scale parameter for this distribution
46 */
47 double getScale();
48
49 /**
50 * Modify the median.
51 * @param median for this distribution
52 */
53 void setMedian(double median);
54
55 /**
56 * Modify the scale parameter.
57 * @param s scale parameter for this distribution
58 */
59 void setScale(double s);
60 }