Overview | Package | Class | Use | Tree | Deprecated | Index | Help
PREV CLASS NEXT CLASS | FRAMES NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD

## de.jstacs.algorithms.optimization
Interface StartDistanceForecaster

All Known Implementing Classes:
  ConstantStartDistance, LimitedMedianStartDistance

    public interface StartDistanceForecaster

This interface is used to determine the next start distance that will be used in a line search.

Author:
  Jens Keilwagen
See Also:
  `Optimizer`, `OneDimensionalSubFunction`

Method Summary
`double` | `getNewStartDistance()` This method returns the new positive start distance.
`void` | `reset()` Resets the object to the initial state.
`void` | `setLastDistance(double last)` Sets the last used distance.

Method Detail

### getNewStartDistance

    double getNewStartDistance()

  This method returns the new positive start distance. It enables the implementor to compute any interpolation using the last values.

  Returns:
    the new positive start distance
  See Also:
    `setLastDistance(double)`

### setLastDistance

    void setLastDistance(double last)

  Sets the last used distance.

  Parameters:
    `last` - the last used distance

### reset

    void reset()

  Resets the object to the initial state.

Overview | Package | Class | Use | Tree | Deprecated | Index | Help
PREV CLASS NEXT CLASS | FRAMES NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD