Class: DNN::Layers::SimpleRNN

Inherits:
RNN show all
Defined in:
lib/dnn/core/rnn_layers.rb

Instance Attribute Summary

Attributes inherited from RNN

#h, #num_nodes, #stateful

Attributes inherited from Connection

#l1_lambda, #l2_lambda

Attributes inherited from HasParamLayer

#grads, #params, #trainable

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from RNN

#backward, #dlasso, #dlasso2, #dridge, #dridge2, #forward, #lasso, #reset_state, #ridge, #shape

Methods inherited from Connection

#dlasso, #dridge, #lasso, #ridge

Methods inherited from HasParamLayer

#build, #update

Methods inherited from Layer

#backward, #build, #built?, #forward, #prev_layer, #shape

Constructor Details

#initialize(num_nodes, stateful: false, return_sequences: true, activation: nil, weight_initializer: nil, bias_initializer: nil, l1_lambda: 0, l2_lambda: 0) ⇒ SimpleRNN

Returns a new instance of SimpleRNN.



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# File 'lib/dnn/core/rnn_layers.rb', line 169

def initialize(num_nodes,
               stateful: false,
               return_sequences: true,
               activation: nil,
               weight_initializer: nil,
               bias_initializer: nil,
               l1_lambda: 0,
               l2_lambda: 0)
  super(num_nodes,
        stateful: stateful,
        return_sequences: return_sequences,
        weight_initializer: weight_initializer,
        bias_initializer: bias_initializer,
        l1_lambda: 0,
        l2_lambda: 0)
  @activation = (activation || Tanh.new)
end

Class Method Details

.load_hash(hash) ⇒ Object 



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# File 'lib/dnn/core/rnn_layers.rb', line 156

def self.load_hash(hash)
  simple_rnn = self.new(hash[:num_nodes],
                        stateful: hash[:stateful],
                        return_sequences: hash[:return_sequences],
                        activation: Util.load_hash(hash[:activation]),
                        weight_initializer: Util.load_hash(hash[:weight_initializer]),
                        bias_initializer: Util.load_hash(hash[:bias_initializer]),
                        l1_lambda: hash[:l1_lambda],
                        l2_lambda: hash[:l2_lambda])
  simple_rnn.h = Xumo::SFloat.cast(hash[:h])
  simple_rnn
end

Instance Method Details

#to_hash ⇒ Object 



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# File 'lib/dnn/core/rnn_layers.rb', line 187

def to_hash
  super({activation: @activation.to_hash})
end