      final l2 norm of the residuals     0.09051514

      number of function evaluations         7

      number of Jacobian evaluations         6

      exit parameter                         2

      final approximate solution

          0.08349609       1.175781       2.300781
      covariance

        6.765127e-05   0.0001003146              0
        0.0001003146   0.0004017353              0
                   0              0              0
