public class ExponentialDistribution extends GammaDistribution
Constructor and Description |
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ExponentialDistribution() |
Modifier and Type | Method and Description |
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static double |
cdf(double x,
double lambda)
cumulative density function of the exponential distribution
|
static double |
mean(double lambda)
mean of the exponential distribution
|
static double |
pdf(double x,
double lambda)
probability density function of the exponential distribution
(mean = 1/lambda)
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static double |
quantile(double y,
double lambda)
quantile (inverse cumulative density function) of the exponential distribution
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static double |
variance(double lambda)
variance of the exponential distribution
|
public static double pdf(double x, double lambda)
x
- argumentlambda
- parameter of exponential distributionpublic static double cdf(double x, double lambda)
x
- argumentlambda
- parameter of exponential distributionpublic static double quantile(double y, double lambda)
y
- argumentlambda
- parameter of exponential distributionpublic static double mean(double lambda)
lambda
- parameter of exponential distributionpublic static double variance(double lambda)
lambda
- parameter of exponential distribution