code: public void addRandomHyperPlane() {
          INDArray newPlane = Nd4j.randn(new int[] {1,dim});
          newPlane.divi(newPlane.normmaxNumber());
          if(wholeHyperPlane == null)
              wholeHyperPlane = newPlane;
          else {
              wholeHyperPlane = Nd4j.concat(0,wholeHyperPlane,newPlane);
          }
      }
docs: Add a new random element to the hyper plane.