Add an example for IterationCallback iteration_callback_example.cc uses the curve_fitting.cc example and uses a custom IterationCallback to log the values of the parameter blocks are they change over the course of the optimization. Change-Id: I6a478a8418e237aff576ca627d9b5c0b751b8088
Ceres Solver is an open source C++ library for modeling and solving large, complicated optimization problems. It is a feature rich, mature and performant library which has been used in production at Google since 2010. Ceres Solver can solve two kinds of problems.
Please see ceres-solver.org for more information.