- java.lang.Object
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- org.jfree.data.function.NormalDistributionFunction2D
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- All Implemented Interfaces:
Serializable,Function2D
public class NormalDistributionFunction2D extends Object implements Function2D, Serializable
A normal distribution function. See http://en.wikipedia.org/wiki/Normal_distribution.- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description NormalDistributionFunction2D(double mean, double std)Constructs a new normal distribution function.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description booleanequals(Object obj)Tests this function for equality with an arbitrary object.doublegetMean()Returns the mean for the function.doublegetStandardDeviation()Returns the standard deviation for the function.doublegetValue(double x)Returns the function value.inthashCode()Returns a hash code for this instance.
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Constructor Detail
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NormalDistributionFunction2D
public NormalDistributionFunction2D(double mean, double std)
Constructs a new normal distribution function.- Parameters:
mean- the mean.std- the standard deviation (> 0).
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Method Detail
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getMean
public double getMean()
Returns the mean for the function.- Returns:
- The mean.
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getStandardDeviation
public double getStandardDeviation()
Returns the standard deviation for the function.- Returns:
- The standard deviation.
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getValue
public double getValue(double x)
Returns the function value.- Specified by:
getValuein interfaceFunction2D- Parameters:
x- the x-value.- Returns:
- The value.
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equals
public boolean equals(Object obj)
Tests this function for equality with an arbitrary object.
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