docs: public static void rectifyHToAbsoluteQuadratic(DMatrixRMaj H , DMatrixRMaj Q ) {
  		int indexQ = 0;
  		for (int rowA = 0; rowA < 4; rowA++) {
  			for (int colB = 0; colB < 4; colB++) {
  				int indexA = rowA*4;
  				int indexB = colB*4;
  				double sum = 0;
  
  				for (int i = 0; i < 3; i++) {
  //					sum += H.get(rowA,i)*H.get(colB,i);
  					sum += H.data[indexA++]*H.data[indexB++];
  				}
  
  //				Q.set(rowA,colB,sum);
  				Q.data[indexQ++] = sum;
  			}
  		}
  	}