title: How can I apply basic algebra in Caffe?
body: <p>I want the network output to be within the range of <code>(-0.5, 0.5)</code>, i.e. <code>-0.5</code> to the sigmoid output.</p>
  
  <p>It's a simple operation but it seems not simple with Caffe.  </p>
  
  <p>Is adding another layer (that does nothing but subtracting <code>0.5</code> from the input) to Caffe the only way to do that?</p>