SquareNeighbourhood (Apache Commons Math 3.6.1 API)

org.apache.commons.math3.ml.neuralnet

## Enum SquareNeighbourhood

- java.lang.Object
- - java.lang.Enum<SquareNeighbourhood>
  - - org.apache.commons.math3.ml.neuralnet.SquareNeighbourhood

- All Implemented Interfaces:
    Serializable, Comparable<SquareNeighbourhood>

      public enum SquareNeighbourhood
      extends Enum<SquareNeighbourhood>

  Defines neighbourhood types.
  Since:
    3.3

- - ### Enum Constant Summary

    Enum Constants
    Enum Constant and Description
    `MOORE` : in two dimensions, each (internal) neuron has eight neighbours.
    `VON_NEUMANN` : in two dimensions, each (internal) neuron has four neighbours.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `static SquareNeighbourhood` | `valueOf(String name)` Returns the enum constant of this type with the specified name.
    `static SquareNeighbourhood[]` | `values()` Returns an array containing the constants of this enum type, in the order they are declared.

    - ### Methods inherited from class java.lang.Enum

      `clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf`

    - ### Methods inherited from class java.lang.Object

      `getClass, notify, notifyAll, wait, wait, wait`

- - ### Enum Constant Detail

    - #### VON_NEUMANN

          public static final SquareNeighbourhood VON_NEUMANN

      : in two dimensions, each (internal) neuron has four neighbours.

    - #### MOORE

          public static final SquareNeighbourhood MOORE

      : in two dimensions, each (internal) neuron has eight neighbours.

  - ### Method Detail

    - #### values

          public static SquareNeighbourhood[] values()

      Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

          for (SquareNeighbourhood c : SquareNeighbourhood.values())
              System.out.println(c);

      Returns:
        an array containing the constants of this enum type, in the order they are declared

    - #### valueOf

          public static SquareNeighbourhood valueOf(String name)

      Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
      Parameters:
        `name` - the name of the enum constant to be returned.
      Returns:
        the enum constant with the specified name
      Throws:
        `IllegalArgumentException` - if this enum type has no constant with the specified name
        `NullPointerException` - if the argument is null

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