AkimaSplineSmoother

java.lang.Object
- etomica.math.numerical.AkimaSplineSmoother

Direct Known Subclasses:

AkimaSplineSmootherDy
```
public class AkimaSplineSmoother
extends java.lang.Object
```
Optimization algorithm which attempts to smooth data without moving any point far from its original location.

Field Summary

Fields
Modifier and Type	Field	Description
`protected double`	`d2dfac`
`protected double`	`d2fac`
`protected double`	`d3dfac`
`protected double`	`d3fac`
`protected double[][]`	`dy12`
`protected double[]`	`ey`
`protected double[]`	`lx`
`protected double[]`	`ly`
`protected double[]`	`m`
`protected int[][]`	`nAccepted`
`protected int[][]`	`nAttempt`
`protected int`	`nTrial`
`protected double[]`	`oy`
`protected double[][]`	`pac`
`protected IRandom`	`random`
`protected double[][]`	`ss`
`protected double`	`sumSqD2`
`protected double`	`sumSqD2D`
`protected double`	`sumSqD3`
`protected double`	`sumSqD3D`
`protected double`	`sumSqDy`
`protected double[]`	`t`
`protected double`	`totSqErr`
`protected double[]`	`trialP`
`protected double[]`	`x`
`protected double[]`	`y`
`protected double[]`	`y0`

Constructor Summary

Constructors
Constructor Description

AkimaSplineSmoother(IRandom random)

Constructors
Constructor	Description
`AkimaSplineSmoother(IRandom random)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected double`	`calcErr(int idataMin, int idataMax)`
`boolean`	`doInterpolateHole()`
`boolean`	`doInterpolateHole2()`
`boolean`	`doRandStep()`
`void`	`doStep()`
`double`	`getD2dfac()`
`double`	`getD2fac()`
`double`	`getD3dfac()`	sets weight given to minimizing discontinuities in the 3nd derivative (at data points)
`double`	`getD3fac()`
`double[][]`	`getDy12(int nSubPoints)`
`void`	`setD2dfac(double d2dfac)`	sets weight given to minimizing discontinuities in the 2nd derivative (at data points)
`void`	`setD2fac(double d2fac)`	sets weight given to minimizing the 2nd derivative
`void`	`setD3dfac(double d3dfac)`
`void`	`setD3fac(double d3fac)`	sets weight given to minimizing the 3nd derivative
`void`	`setInputData(double[] originalX, double[] originalY, double[] ey)`
`void`	`setSmoothedY(double[] smoothedY)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

x
```
protected double[] x
```

y0
```
protected double[] y0
```

ey
```
protected double[] ey
```

m
```
protected double[] m
```

t
```
protected double[] t
```

y
```
protected double[] y
```

lx
```
protected double[] lx
```

ly
```
protected double[] ly
```

ss
```
protected double[][] ss
```

pac
```
protected double[][] pac
```

dy12
```
protected double[][] dy12
```

totSqErr
```
protected double totSqErr
```

sumSqDy
```
protected double sumSqDy
```

sumSqD2
```
protected double sumSqD2
```

sumSqD2D
```
protected double sumSqD2D
```

sumSqD3
```
protected double sumSqD3
```

sumSqD3D
```
protected double sumSqD3D
```

d2fac
```
protected double d2fac
```

d2dfac
```
protected double d2dfac
```

d3fac
```
protected double d3fac
```

d3dfac
```
protected double d3dfac
```

trialP
```
protected double[] trialP
```

random
```
protected IRandom random
```

nTrial
```
protected int nTrial
```

nAttempt
```
protected int[][] nAttempt
```

nAccepted
```
protected int[][] nAccepted
```

oy
```
protected double[] oy
```

Constructor Detail

AkimaSplineSmoother

public AkimaSplineSmoother(IRandom random)

Method Detail

doRandStep
```
public boolean doRandStep()
```

doInterpolateHole
```
public boolean doInterpolateHole()
```

doInterpolateHole2

public boolean doInterpolateHole2()

doStep
```
public void doStep()
```

calcErr

protected double calcErr(int idataMin,
                         int idataMax)

setSmoothedY

public void setSmoothedY(double[] smoothedY)

getDy12

public double[][] getDy12(int nSubPoints)

setInputData

public void setInputData(double[] originalX,
                         double[] originalY,
                         double[] ey)

getD2fac
```
public double getD2fac()
```

setD2fac
```
public void setD2fac(double d2fac)
```
sets weight given to minimizing the 2nd derivative

getD2dfac
```
public double getD2dfac()
```

setD2dfac
```
public void setD2dfac(double d2dfac)
```
sets weight given to minimizing discontinuities in the 2nd derivative (at data points)

getD3fac
```
public double getD3fac()
```

setD3fac
```
public void setD3fac(double d3fac)
```
sets weight given to minimizing the 3nd derivative

getD3dfac
```
public double getD3dfac()
```
sets weight given to minimizing discontinuities in the 3nd derivative (at data points)

setD3dfac

public void setD3dfac(double d3dfac)

Class AkimaSplineSmoother

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

x

y0

ey

m

t

y

lx

ly

ss

pac

dy12

totSqErr

sumSqDy

sumSqD2

sumSqD2D

sumSqD3

sumSqD3D

d2fac

d2dfac

d3fac

d3dfac

trialP

random

nTrial

nAttempt

nAccepted

oy

Constructor Detail

AkimaSplineSmoother

Method Detail

doRandStep

doInterpolateHole

doInterpolateHole2

doStep

calcErr

setSmoothedY

getDy12

setInputData

getD2fac

setD2fac

getD2dfac

setD2dfac

getD3fac

setD3fac

getD3dfac

setD3dfac