iterators
Class SteepestDescentIterator

java.lang.Object
  iterators.ModelIterator
      iterators.SteepestDescentIterator

All Implemented Interfaces:

java.lang.Runnable

public class SteepestDescentIterator

extends ModelIterator

implements java.lang.Runnable

Field Summary

Fields inherited from class iterators.ModelIterator

cells, finalScore, model, network, nParsTV, numCells, numFunctionCalls, origStopper, outFileName, p, parsTV, ps, running, runThread, theFunction, TheIteratorViewer, verbose

Constructor Summary

SteepestDescentIterator()

Method Summary

ModelIterator	copy()
void	doRun() // ******* This version of theFunction for diagnostic purposes only public float F(float [] thePoint) { double score,x3eight,sinx3eight,fac0,fac1,fac2,fac3; numFunctionCalls++; x3eight= 8.0 * thePoint[3]; sinx3eight = Math.sin(x3eight); sinx3eight = thePoint[3] * sinx3eight*sinx3eight; fac0 = 5.0 * (thePoint[0] - sinx3eight); score = fac0*fac0; fac1 = 5.0 * (thePoint[1] - sinx3eight); score += fac1*fac1; fac2 = Math.cos(x3eight); fac2 = 5.0 * (thePoint[2] - fac2*fac2); score += fac2*fac2; fac3 = 0.5 * Math.abs(thePoint[3]); score += fac3; return (float)score; } // ******* This version of F for diagnostic purposes only //
protected void	loadParameter(java.lang.String info, BetterTokenizer tokenizer)
void	loadParameters(BetterTokenizer tokenizer)

Methods inherited from class iterators.ModelIterator

continueF, didBomb, didPass, doStartRun, F, getOutputFileName, getParameterSet, getState, getStopper, getValue, init, isRunning, isSaveExtra, iterError, print, println, println, quit, reset, resetStopper, run, saveExtra, saveOutput, saveOutputTags, setFunction, setIteratorViewer, setOutputFile, setPrint, setPrintStream, setState, setStopper, startRun, stopRun

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.lang.Runnable

run

Constructor Detail

SteepestDescentIterator

public SteepestDescentIterator()

Method Detail

copy

public ModelIterator copy()
                   throws java.lang.Exception

Overrides:

copy in class ModelIterator

Throws:

java.lang.Exception

loadParameters

public void loadParameters(BetterTokenizer tokenizer)
                    throws java.lang.Exception

Overrides:

loadParameters in class ModelIterator

Throws:

java.lang.Exception

loadParameter

protected void loadParameter(java.lang.String info,
                             BetterTokenizer tokenizer)
                      throws java.lang.Exception

Overrides:

loadParameter in class ModelIterator

Throws:

java.lang.Exception

doRun

public void doRun()

// ******* This version of theFunction for diagnostic purposes only public float F(float [] thePoint) { double score,x3eight,sinx3eight,fac0,fac1,fac2,fac3; numFunctionCalls++; x3eight= 8.0 * thePoint[3]; sinx3eight = Math.sin(x3eight); sinx3eight = thePoint[3] * sinx3eight*sinx3eight; fac0 = 5.0 * (thePoint[0] - sinx3eight); score = fac0*fac0; fac1 = 5.0 * (thePoint[1] - sinx3eight); score += fac1*fac1; fac2 = Math.cos(x3eight); fac2 = 5.0 * (thePoint[2] - fac2*fac2); score += fac2*fac2; fac3 = 0.5 * Math.abs(thePoint[3]); score += fac3; return (float)score; } // ******* This version of F for diagnostic purposes only //

Overrides:

doRun in class ModelIterator