MatrixXd M issue

[chengm0-0]

Hi, when I read the code in bezier_base.cpp, I got some questions in MatrixXd M.
In the branch of case, when the order is 1 or 2 or 3, why the (0,0) element is -1? I thought they were maybe 1, or did you have any more considerations? Thanks:)
Your code are very excellent!

[chengm0-0]

Also, when I try to change your code to 2D, I got the following output in the mosek, could you help me about this?
MSK_SOL_STA_PRIM_INFEAS_CER
[ WARN] [1617519198.368803552, 40.400000000]: In solver, falied
[ WARN] [1617519198.368833448, 40.400000000]: Cannot find a feasible and optimal solution, somthing wrong with the mosek solver
Thank you very much! :)