Class: DNN::Losses::MeanSquaredError

Inherits:

Loss

Object
Loss
DNN::Losses::MeanSquaredError

show all

Defined in:: lib/dnn/core/losses.rb

Instance Method Summary collapse

Methods inherited from Loss

#clean, from_hash, #load_hash, #loss, #regularizers_backward, #regularizers_forward, #to_hash

Instance Method Details

#backward(y, t) ⇒ `Object`



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# File 'lib/dnn/core/losses.rb', line 71

def backward(y, t)
  y - t
end

#forward(y, t) ⇒ `Object`



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# File 'lib/dnn/core/losses.rb', line 67

def forward(y, t)
  0.5 * ((y - t)**2).mean(0).sum
end