      final l2 norm of the residuals     0.09071382

      number of function evaluations         9

      number of Jacobian evaluations         8

      exit parameter                         3

      final approximate solution

          0.08371091       1.178308            2.3
      covariance

        6.693124e-05   0.0001068011              0
        0.0001068011   0.0004612439              0
                   0              0              0
