reproducing Figure 1 of Virieux & Operto 2009 review paper

CONVENTIONS.txt

common/configuration.h

common/functional.h

common/model/discretization.cpp

common/model/discretization.h

common/model/element.cpp

common/model/element.h

common/model/innerproduct/innerproduct.cpp

common/model/innerproduct/innerproduct.h

common/optimization/descentsearch.h

common/optimization/linesearch.h

common/optimization/minimumsearch.h

common/rediscretize.cpp

common/rediscretize.h

common/statefunctional.h

convergence.cpp

directional.cpp

gradient.cpp

input/VO2009Algorithm/common.txt

input/VO2009Algorithm/inversion_gd.txt