Marginalizing gtsam graph.

[Mario Mott]

Dear developers. In the ImuFactorExample, I want to marginalize nodes after some time, because the more graph nodes, the longer optimization time. Please teach me an example code snippet to remove unnecessary nodes from NonlinearFactorGraph.

[Frank Dellaert]

Dear Mario,

as indicated on the issues page, the GTSAM library is used by many but all of us who worked on creating it have busy (more than) full-time jobs. Please only submit issues/bug reports that come with enough information to reproduce them, ideally a unit test that fails, and possible ideas on what might be wrong. Even better yet, fix the bug and/or documentation, add a unit test, and create a pull request! Finally, this is a channel to report bugs/issues, not a support channel to help install/use/debug your own code. We'd love to help, but just don't have the bandwidth. Please post questions in the GTSAM Google group at https://groups.google.com/forum/#!forum/gtsam-users

[Frank Dellaert]

Please post in Google group