http://www.reibang.com/p/02ee8f513295

https://blog.csdn.net/dahailuoa6/article/details/94429361

http://www.reibang.com/p/e5b03cf22c80

https://blog.csdn.net/robinhjwy/article/category/7301364 https://blog.cs...

BALProblem https://blog.csdn.net/qq_40213457/article/details/80678865g2o...

https://blog.csdn.net/qq_40213457/article/details/81394093

打印Eigen矩陣https://stackoverflow.com/questions/25085465/using-gdb-with-eig...

參考：1.https://answers.ros.org/question/27655/what-is-the-correct-way-to-d...

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