hex.deeplearning

Class Neurons.Softmax

java.lang.Object

hex.deeplearning.Neurons

hex.deeplearning.Neurons.Output

hex.deeplearning.Neurons.Softmax

Enclosing class:

Neurons

public static class Neurons.Softmax
extends Neurons.Output

Output neurons for classification - Softmax

Nested Class Summary

Nested classes/interfaces inherited from class hex.deeplearning.Neurons

Neurons.DenseColMatrix, Neurons.DenseRowMatrix, Neurons.DenseVector, Neurons.Input, Neurons.Linear, Neurons.Matrix, Neurons.Maxout, Neurons.MaxoutDropout, Neurons.Output, Neurons.Rectifier, Neurons.RectifierDropout, Neurons.Softmax, Neurons.SparseRowMatrix, Neurons.SparseVector, Neurons.Tanh, Neurons.TanhDropout, Neurons.Vector

Field Summary

Fields inherited from class hex.deeplearning.Neurons.Output

DOC_FIELDS

Fields inherited from class hex.deeplearning.Neurons

_a, _b, _dropout, _e, _previous, _w, params, units

Constructor Summary

Constructors

Constructor and Description
Neurons.Softmax(int units)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	bprop(int target) Backpropagation for classification Update every weight as follows: w += -rate * dE/dw Compute dE/dw via chain rule: dE/dw = dE/dy * dy/dnet * dnet/dw, where net = sum(xi*wi)+b and y = activation function
protected void	fprop()

Methods inherited from class hex.deeplearning.Neurons.Output

bprop, fprop

Methods inherited from class hex.deeplearning.Neurons

init, momentum, rate, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Neurons.Softmax

public Neurons.Softmax(int units)

Method Detail

fprop

protected void fprop()

Specified by:

fprop in class Neurons.Output

bprop

protected void bprop(int target)

Backpropagation for classification Update every weight as follows: w += -rate * dE/dw Compute dE/dw via chain rule: dE/dw = dE/dy * dy/dnet * dnet/dw, where net = sum(xi*wi)+b and y = activation function

Parameters:

target - actual class label