text: import theano.tensor as T
  from theano.tensor.nnet import sigmoid
  from theano.tensor import tanh
  
  def activationLinear(value):
  	return value
  	
  def activationRectified(value):
  	return T.maximum(0,0, value)
  	
  def activationSigmoid(value):
  	return sigmoid(value)
  
  def activationTanh(value):
  	return tanh(value)
  