GClasses
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The arctan activation function. More...
#include <GActivation.h>
Public Member Functions | |
virtual const char * | name () |
Returns the name of this activation function. | |
virtual double | squash (double x) |
Returns atan(x). The result will be in the range -PI/2 <= y <= PI/2. | |
virtual double | derivative (double x) |
Returns 1/(x*x+1.0) | |
virtual double | inverse (double y) |
Returns tan(y), where -PI/2 <= y <= PI/2. | |
virtual double | center () |
Returns 0. | |
virtual double | halfRange () |
Returns PI / 2. | |
virtual GActivationFunction * | clone () |
See the comment for GActivationFunction::clone. |
The arctan activation function.
virtual double GClasses::GActivationArcTan::center | ( | ) | [inline, virtual] |
Returns 0.
Implements GClasses::GActivationFunction.
virtual GActivationFunction* GClasses::GActivationArcTan::clone | ( | ) | [inline, virtual] |
See the comment for GActivationFunction::clone.
Implements GClasses::GActivationFunction.
virtual double GClasses::GActivationArcTan::derivative | ( | double | x | ) | [inline, virtual] |
Returns 1/(x*x+1.0)
Implements GClasses::GActivationFunction.
virtual double GClasses::GActivationArcTan::halfRange | ( | ) | [virtual] |
Returns PI / 2.
Implements GClasses::GActivationFunction.
virtual double GClasses::GActivationArcTan::inverse | ( | double | y | ) | [inline, virtual] |
Returns tan(y), where -PI/2 <= y <= PI/2.
Implements GClasses::GActivationFunction.
virtual const char* GClasses::GActivationArcTan::name | ( | ) | [inline, virtual] |
Returns the name of this activation function.
Implements GClasses::GActivationFunction.
virtual double GClasses::GActivationArcTan::squash | ( | double | x | ) | [inline, virtual] |
Returns atan(x). The result will be in the range -PI/2 <= y <= PI/2.
Implements GClasses::GActivationFunction.