    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: 0.000123912 
    1 TAO,    Function value: 0.000379782,    Residual: 6.49615e-10 
  3 TAO,  Function value: 0.000377718,  Residual: 0.000122979 
    Iteration information for misfit_ solve.
    0 TAO,    Function value: 0.000377713,    Residual: 0.000122975 
    1 TAO,    Function value: 0.000376098,    Residual: 5.83379e-10 
  4 TAO,  Function value: 0.000374784,  Residual: 0.000122394 
    Iteration information for misfit_ solve.
    0 TAO,    Function value: 0.00037478,    Residual: 0.000122389 
    1 TAO,    Function value: 0.000373666,    Residual: 5.31271e-10 
  5 TAO,  Function value: 0.000372703,  Residual: 0.000121971 
relative reconstruction error: ||x-xGT||/||xGT|| = 8.0941e-01.
