List of usage examples for org.apache.commons.math3.distribution ExponentialDistribution ExponentialDistribution
public ExponentialDistribution(RandomGenerator rng, double mean, double inverseCumAccuracy) throws NotStrictlyPositiveException
From source file:com.anhth12.distributions.Distributions.java
public static RealDistribution exponential(RandomGenerator rng, double mean) { if (exponentialDist.get(rng, mean) == null) { RealDistribution ret = new ExponentialDistribution(rng, 1.0, ExponentialDistribution.DEFAULT_INVERSE_ABSOLUTE_ACCURACY); exponentialDist.put(rng, mean, ret); }//from w w w .ja v a2 s. c o m return exponentialDist.get(rng, mean); }