code: public List<INDArray> feedForward(INDArray input) {
          if (input == null)
              throw new IllegalStateException("Unable to perform feed forward; no input found");
          setInput(input);
          return feedForward();
      }
docs: Compute activations of all layers from input (inclusive) to output of the final/output layer.
  Equivalent to calling {@link #feedForward(INDArray, boolean)} with train = false
  
  @return the list of activations for each layer, including the input