    TraceRelFunc: 0
                    TraceX: 0


tn_default_params = 

  struct with fields:

                   CGIters: 5
                  CGSolver: 'symmlq'
                     CGTol: 1.0000e-06
                 CGTolType: 'quadratic'
                   Display: 'iter'
              DisplayIters: 1
             HessVecFDStep: 1.0000e-10
           LineSearch_ftol: 1.0000e-04
           LineSearch_gtol: 0.0100
    LineSearch_initialstep: 1
         LineSearch_maxfev: 20
         LineSearch_method: 'm