    Iteration information for misfit_ solve.
    0 TAO,    Function value: 0.00378251,    Residual: 0.00101179 
    1 TAO,    Function value: 0.000434894,    Residual: 1.12158e-09 
  1 TAO,  Function value: 0.000394366,  Residual: 0.000126505 
    Iteration information for misfit_ solve.
    0 TAO,    Function value: 0.000394362,    Residual: 0.000126502 
    1 TAO,    Function value: 0.000386698,    Residual: 7.22215e-10 
  2 TAO,  Function value: 0.000382584,  Residual: 0.000123925 
    Iteration information for misfit_ solve.
    0 TAO,    Function value: 0.00038258,    Residual: 0.000123924 
    1 TAO,    Function value: 0.000367053,    Residual: 1.32499e-10 
  3 TAO,  Function value: 0.000358935,  Residual: 0.000118423 
    Iteration information for misfit_ solve.
    0 TAO,    Function value: 0.000358926,    Residual: 0.000118398 
    1 TAO,    Function value: 0.000352454,    Residual: 3.71033e-10 
  4 TAO,  Function value: 0.00034662,  Residual: 0.000114779 
    Iteration information for misfit_ solve.
    0 TAO,    Function value: 0.000346606,    Residual: 0.000114779 
    1 TAO,    Function value: 0.000290486,    Residual: 7.61868e-10 
  5 TAO,  Function value: 0.000254059,  Residual: 8.54903e-05 
relative reconstruction error: ||x-xGT||/||xGT|| = 7.6309e-01.
