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package optimization.linesearch;
public class InterpolationPickFirstStep extends GenericPickFirstStep{
public InterpolationPickFirstStep(double initValue) {
super(initValue);
}
public double getFirstStep(LineSearchMethod ls){
if(ls.getPreviousStepUsed() != -1 && ls.getPreviousInitialGradient()!=0){
double newStep = Math.min(300, 1.02*ls.getPreviousInitialGradient()*ls.getPreviousStepUsed()/ls.getInitialGradient());
// System.out.println("proposing " + newStep);
return newStep;
}
return _initValue;
}
public void collectInitValues(WolfRuleLineSearch ls){
}
public void collectFinalValues(WolfRuleLineSearch ls){
}
}
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