TRBDF2 (PULsE 1.98 API)

java.lang.Object
- pulse.util.UpwardsNavigable
- - pulse.util.Group
  - - pulse.util.Accessible
    - - pulse.util.PropertyHolder
      - pulse.problem.schemes.rte.dom.ODEIntegrator
        
        pulse.problem.schemes.rte.dom.AdaptiveIntegrator
        
        pulse.problem.schemes.rte.dom.TRBDF2

All Implemented Interfaces:

Serializable, Descriptive, Reflexive
```
public class TRBDF2
extends AdaptiveIntegrator
```
TRBDF2 (Trapezoidal Backward Differencing Second Order) Scheme for the solution of one-dimensional radiative transfer problems.

Author:

Artem Lunev, Vadim Zborovskii

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

TRBDF2(Discretisation intensities)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`generateGrid(int nNew)`	Generates a non-uniform (stretched at boundaries) grid using the argument as the density.
`RTECalculationStatus`	`integrate()`
`Vector[]`	`step(int j, double sign)`	Performs a TRBDF2 step.

Methods inherited from class pulse.problem.schemes.rte.dom.AdaptiveIntegrator
getAbsoluteTolerance, getGridScalingFactor, getHermiteInterpolator, getRelativeTolerance, getTimeThreshold, isFirstRun, listedKeywords, reduceStepSize, set, setAbsoluteTolerance, setFirstRun, setGridScalingFactor, setRelativeTolerance, setTimeThreshold, toString, wasRescaled

Methods inherited from class pulse.problem.schemes.rte.dom.ODEIntegrator
derivative, derivative, emission, extract, getDescriptor, getDiscretisation, getEmissionFunction, getPhaseFunction, init, partial, partial, setDiscretisation, setEmissionFunction, setPhaseFunction, source, source, treatZeroIndex

Methods inherited from class pulse.util.PropertyHolder
addListener, areDetailsHidden, data, describe, firePropertyChanged, getListeners, getPrefix, ignoreSiblings, initListeners, isListedNumericType, isListedParameter, listedTypes, numericData, parameterListChanged, removeListeners, setPrefix, updateProperties, updateProperty

Methods inherited from class pulse.util.Accessible
accessibleChildren, genericProperties, genericProperty, numericProperties, numericProperty, property, update, update

Methods inherited from class pulse.util.Group
access, children, contents, getSimpleName, subgroups

Methods inherited from class pulse.util.UpwardsNavigable
addHierarchyListener, getHierarchyListeners, getParent, identify, removeHierarchyListener, removeHierarchyListeners, setParent, specificAncestor, tellParent

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

- Constructor Detail
  - TRBDF2
```
public TRBDF2(Discretisation intensities)
```
- Method Detail
  - integrate
```
public RTECalculationStatus integrate()
```
    Overrides:
    
    integrate in class AdaptiveIntegrator
  - generateGrid
```
public void generateGrid(int nNew)
```
    Generates a non-uniform (stretched at boundaries) grid using the argument as the density.
    
    Overrides:
    
    generateGrid in class AdaptiveIntegrator
    
    Parameters:
    
    nNew - new grid density
  - step
```
public Vector[] step(int j,
                     double sign)
```
    Performs a TRBDF2 step.
    
    Specified by:
    
    step in class AdaptiveIntegrator