li1997522

Results 2 issues of li1997522

![image](https://user-images.githubusercontent.com/36097683/147403520-8695df73-ab6f-4bf0-94e4-663daa1a3f0f.png) Like this pic, you can see the rect in the final part. It seems to blend the final result, But what is the meaning of this coordinate? I can't...

Speed If you want to speed up, MATLAB solver is significantly faster than Eigen. I see it in readme. So how to change the Eigen?