1 | package de.uka.ipd.sdq.probfunction.math.apache.impl; |
2 | |
3 | |
4 | import de.uka.ipd.sdq.probfunction.math.IGammaDistribution; |
5 | import de.uka.ipd.sdq.probfunction.math.apache.distribution.GammaDistributionFromMomentsImpl; |
6 | |
7 | public class GammaDistributionFromMoments extends GammaDistribution implements IGammaDistribution { |
8 | |
9 | /** |
10 | * Constructs a GammaDist object based on the distribution mean and |
11 | * distribution coefficient of variance. |
12 | * @param distribution mean |
13 | * @param coefficient of variance ( = standard deviation / mean) |
14 | */ |
15 | public GammaDistributionFromMoments(double mean, double coefficientOfVariance) { |
16 | |
17 | double variance = coefficientOfVariance * coefficientOfVariance * mean * mean ; |
18 | this.internalFunction = new GammaDistributionFromMomentsImpl(mean, variance); |
19 | } |
20 | |
21 | |
22 | } |