kr.ac.kaist.ir.deep.fn.obj

CrossEntropyErr

object CrossEntropyErr extends Objective

Objective Function: Sum of Cross-Entropy (Logistic)

Example: 

  1. val output = net(input)
val err = CrossEntropyErr(real, output)
val diff = CrossEntropyErr.derivative(real, output)
Note

This objective function prefer 0/1 output

Linear Supertypes
Objective, Serializable, Serializable, (ScalarMatrix, ScalarMatrix) ⇒ Scalar, AnyRef, Any
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  1. CrossEntropyErr
  2. Objective
  3. Serializable
  4. Serializable
  5. Function2
  6. AnyRef
  7. Any
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Value Members

  1. final def !=(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  2. final def !=(arg0: Any): Boolean

    Definition Classes
    Any

  3. final def ##(): Int

    Definition Classes
    AnyRef → Any

  4. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  5. final def ==(arg0: Any): Boolean

    Definition Classes
    Any

  6. def apply(real: ScalarMatrix, output: ScalarMatrix): Scalar

    Compute error (loss)

    Compute error (loss)

    real

    the expected real output

    output

    the computed output of the network

    returns

    the error

    Definition Classes
    CrossEntropyErr → Objective → Function2

  7. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  8. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  9. def curried: (ScalarMatrix) ⇒ (ScalarMatrix) ⇒ Scalar

    Definition Classes
    Function2
    Annotations
    @unspecialized()

  10. def derivative(real: ScalarMatrix, output: ScalarMatrix): ScalarMatrix

    Compute differentiation value of this objective function at x = r - o

    Compute differentiation value of this objective function at x = r - o

    real

    the expected real output, r

    output

    the computed output of the network, o

    returns

    differentiation value at f(x)=fx, which is square, diagonal matrix

    Definition Classes
    CrossEntropyErr → Objective

  11. val entropy: (Scalar, Scalar) ⇒ Double

    Entropy function

  12. val entropyDiff: (Scalar, Scalar) ⇒ Double

    Derivative of Entropy function

  13. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  14. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  15. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

  16. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any

  17. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  18. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

  19. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  20. final def notify(): Unit

    Definition Classes
    AnyRef

  21. final def notifyAll(): Unit

    Definition Classes
    AnyRef

  22. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef

  23. def toString(): String

    Definition Classes
    Function2 → AnyRef → Any

  24. def tupled: ((ScalarMatrix, ScalarMatrix)) ⇒ Scalar

    Definition Classes
    Function2
    Annotations
    @unspecialized()

  25. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  26. final def wait(arg0: Long, arg1: Int): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  27. final def wait(arg0: Long): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from Objective

Inherited from Serializable

Inherited from Serializable

Inherited from (ScalarMatrix, ScalarMatrix) ⇒ Scalar

Inherited from AnyRef

Inherited from Any

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