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关于注释中的一些问题求解 #4

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ChuangbinC opened this issue Mar 25, 2020 · 1 comment
Open

关于注释中的一些问题求解 #4

ChuangbinC opened this issue Mar 25, 2020 · 1 comment

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@ChuangbinC
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您好,谢谢您的代码注释,让我学习到很多!
不过我有一个疑问,你在代码里面提及到了线性化点,我想请问一下这个是FEJ的线性化吗?但是作者不是说过不使用FEJ吗?

//5、多线程构造先验项舒尔补AX=b的结构,在X0处线性化计算Jacobian和残差
marginalization_info->marginalize();
ROS_DEBUG("marginalization %f ms", t_margin.toc());

@ManiiXu

@dzqiu
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dzqiu commented Mar 3, 2021

@ChuangbinC 你好,请问一下构造Ax=b的时候,为什么b=j^Tr 而不是b=-j^Tr呢?

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