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java.lang.Objectorg.apache.commons.math3.analysis.function.Gaussian
public class Gaussian
Gaussian function.
Nested Class Summary | |
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static class |
Gaussian.Parametric
Parametric function where the input array contains the parameters of the Gaussian, ordered as follows: Norm Mean Standard deviation |
Constructor Summary | |
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Gaussian()
Normalized gaussian with zero mean and unit standard deviation. |
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Gaussian(double mean,
double sigma)
Normalized gaussian with given mean and standard deviation. |
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Gaussian(double norm,
double mean,
double sigma)
Gaussian with given normalization factor, mean and standard deviation. |
Method Summary | |
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UnivariateFunction |
derivative()
Deprecated. as of 3.1, replaced by value(DerivativeStructure) |
DerivativeStructure |
value(DerivativeStructure t)
Simple mathematical function. |
double |
value(double x)
Compute the value of the function. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Gaussian(double norm, double mean, double sigma) throws NotStrictlyPositiveException
norm
- Normalization factor.mean
- Mean.sigma
- Standard deviation.
NotStrictlyPositiveException
- if sigma <= 0
.public Gaussian(double mean, double sigma) throws NotStrictlyPositiveException
mean
- Mean.sigma
- Standard deviation.
NotStrictlyPositiveException
- if sigma <= 0
.public Gaussian()
Method Detail |
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public double value(double x)
value
in interface UnivariateFunction
x
- Point at which the function value should be computed.
@Deprecated public UnivariateFunction derivative()
value(DerivativeStructure)
derivative
in interface DifferentiableUnivariateFunction
public DerivativeStructure value(DerivativeStructure t) throws DimensionMismatchException
UnivariateDifferentiableFunction
classes compute both the
value and the first derivative of the function.
value
in interface UnivariateDifferentiableFunction
t
- function input value
DimensionMismatchException
- if t is inconsistent with the
function's free parameters or order
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