MountainCarState (PCT 1.0 API)

java.lang.Object
- uk.co.moons.control.neural.models.mountaincar.MountainCarState

```
public class MountainCarState
extends Object
```
This class manages all of the problem parameters, current state variables, and state transition and reward dynamics.

Author:

btanner

Field Summary

Fields
Modifier and Type	Field and Description
`double`	`accelerationFactor`
`double`	`defaultInitPosition`
`double`	`defaultInitVelocity`
`double`	`goalPosition`
`double`	`gravityFactor`
`double`	`hillPeakFrequency`
`double`	`maxPosition`
`double`	`maxVelocity`
`double`	`minPosition`
`double`	`minVelocity`
`double`	`rewardAtGoal`
`double`	`rewardPerStep`

Constructor Summary

Constructors
Constructor and Description
`MountainCarState(Double initial, boolean randomStartStates, double transitionNoise, long randomSeed)`

Method Summary

Methods
Modifier and Type	Method and Description
`double`	`getHeightAtPosition(double queryPosition)` Get the height of the hill at this position
`int`	`getLastAction()`
`double`	`getPosition()`
`double`	`getReward()` Calculate the reward for the
`double`	`getSlope(double queryPosition)` Get the slop of the hill at this position
`double`	`getVelocity()`
`boolean`	`inGoalRegion()` IS the agent past the goal marker?
`protected void`	`reset()`

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

- Field Detail
  - minPosition
```
public final double minPosition
```
    See Also:
    Constant Field Values
  - maxPosition
```
public final double maxPosition
```
    See Also:
    Constant Field Values
  - minVelocity
```
public final double minVelocity
```
    See Also:
    Constant Field Values
  - maxVelocity
```
public final double maxVelocity
```
    See Also:
    Constant Field Values
  - goalPosition
```
public final double goalPosition
```
    See Also:
    Constant Field Values
  - accelerationFactor
```
public final double accelerationFactor
```
    See Also:
    Constant Field Values
  - gravityFactor
```
public final double gravityFactor
```
    See Also:
    Constant Field Values
  - hillPeakFrequency
```
public final double hillPeakFrequency
```
    See Also:
    Constant Field Values
  - defaultInitPosition
```
public double defaultInitPosition
```
  - defaultInitVelocity
```
public final double defaultInitVelocity
```
    See Also:
    Constant Field Values
  - rewardPerStep
```
public final double rewardPerStep
```
    See Also:
    Constant Field Values
  - rewardAtGoal
```
public final double rewardAtGoal
```
    See Also:
    Constant Field Values
- Constructor Detail
  - MountainCarState
```
public MountainCarState(Double initial,
                boolean randomStartStates,
                double transitionNoise,
                long randomSeed)
```
- Method Detail
  - getPosition
```
public double getPosition()
```
  - getVelocity
```
public double getVelocity()
```
  - getReward
```
public double getReward()
```
    Calculate the reward for the
    
    Returns:
  - inGoalRegion
```
public boolean inGoalRegion()
```
    IS the agent past the goal marker?
    
    Returns:
  - reset
```
protected void reset()
```
  - getLastAction
```
public int getLastAction()
```
  - getHeightAtPosition
```
public double getHeightAtPosition(double queryPosition)
```
    Get the height of the hill at this position
    
    Parameters:
    queryPosition -
    
    Returns:
  - getSlope
```
public double getSlope(double queryPosition)
```
    Get the slop of the hill at this position
    
    Parameters:
    queryPosition -
    
    Returns:

Class MountainCarState

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

minPosition

maxPosition

minVelocity

maxVelocity

goalPosition

accelerationFactor

gravityFactor

hillPeakFrequency

defaultInitPosition

defaultInitVelocity

rewardPerStep

rewardAtGoal

Constructor Detail

MountainCarState

Method Detail

getPosition

getVelocity

getReward

inGoalRegion

reset

getLastAction

getHeightAtPosition

getSlope