      final l2 norm of the residuals     0.09071386

      number of function evaluations        10

      number of Jacobian evaluations         9

      exit parameter                         1

      final approximate solution

          0.08371095       1.178309            2.3
      covariance

        0.0001536684    0.002994926             -0
         0.002994926      0.1026389             -0
                  -0             -0              0
