petsc-master 2020-08-25
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All at once approach to sensitivity tracking

  • ex20td.c Performs adjoint sensitivity analysis for a van der Pol like
    equation with time dependent parameters using two approaches :
    track : track only local sensitivities at each adjoint step
    and accumulate them in a global array
    global : track parameters at all timesteps together
    Choose one of the two at runtime by -sa_method {track,global}.