Class: DNN::Losses::Loss

Inherits:
Object
  • Object
show all
Defined in:
lib/dnn/core/losses.rb

Instance Method Summary collapse

Instance Method Details

#backward(y) ⇒ Object

Raises:

  • (NotImplementedError) 


9
10
11
 
# File 'lib/dnn/core/losses.rb', line 9

def backward(y)
  raise NotImplementedError.new("Class '#{self.class.name}' has implement method 'backward'")
end

#d_regularize(layers) ⇒ Object 



18
19
20
21
22
23
 
# File 'lib/dnn/core/losses.rb', line 18

def d_regularize(layers)
  layers.select { |layer| layer.is_a?(Connection) }.each do |layer|
    layer.d_lasso
    layer.d_ridge
  end
end

#forward(out, y) ⇒ Object

Raises:

  • (NotImplementedError) 


5
6
7
 
# File 'lib/dnn/core/losses.rb', line 5

def forward(out, y)
  raise NotImplementedError.new("Class '#{self.class.name}' has implement method 'forward'")
end

#regularize(layers) ⇒ Object 



13
14
15
16
 
# File 'lib/dnn/core/losses.rb', line 13

def regularize(layers)
  layers.select { |layer| layer.is_a?(Connection) }
        .reduce(0) { |sum, layer| sum + layer.lasso + layer.ridge }
end

#to_hash ⇒ Object 



25
26
27
 
# File 'lib/dnn/core/losses.rb', line 25

def to_hash
  {class: self.class.name}
end