org.jfree.data.function

Class NormalDistributionFunction2D

public class NormalDistributionFunction2D extends Object implements Function2D

A normal distribution function. See http://en.wikipedia.org/wiki/Normal_distribution.

Constructor Summary
	NormalDistributionFunction2D(double mean, double std) Constructs a new normal distribution function.

Method Summary
double	getMean() Returns the mean for the function.
double	getStandardDeviation() Returns the standard deviation for the function.
double	getValue(double x) Returns the function value.

Constructor Detail

public NormalDistributionFunction2D(double mean, double std)

Constructs a new normal distribution function.

Parameters: mean the mean. std the standard deviation (> 0).

public double getMean()

Returns the mean for the function.

Returns: The mean.

public double getStandardDeviation()

Returns the standard deviation for the function.

Returns: The standard deviation.

public double getValue(double x)

Returns the function value.

Parameters: x the x-value.

Returns: The value.