code: def feedforward(self):
      
      m = self._numInputs
      n = self._numColumns
      W = np.zeros((n, m))
      for i in range(self._numColumns):
          self.getPermanence(i, W[i, :])
  
      return W
docs: Soon to be depriciated.
      Needed to make the SP implementation compatible 
      with some older code.