* <li><b>--ceres-max-num-iterations</b> <em>[int]</em> to control the number
* of iterations the non linear solver will take before returning a solution</li>
* <li><b>--ceres-factorizer</b> <em>[string]</em> to control the type of dense
* factorization method used to solve the <a href="http://homes.cs.washington.edu/~sagarwal/ceres-solver/stable/solving.html?highlight=dense_qr#equation-normal">normal equations</a></li>