I use convert~([points1], list) command but the outcome is not I want. The code of shortscreen is attached. I wanna change the outermost curly braces of the sequence "points1" into square brackets. Thank you all guys to answer!

The below is I want.

This is not I want cause the outermost has three square brackets! I just wanna two.

How to add x,y,z axis in plotsetup command? I need to enhance the quality of figure, so I use plotsetup command width=5000,height=5000. But in this case, the range of x,y,z axis vanish like this. The related code is attached.

Hi all guys! I am doing the error analysis but now I meet one question: how to get the explict solution of eq11? If it is complex, I just wanna the real part. Welcome all guys discussion!

Download TFETDRKN(5)_two_eigenvalues_calculation.mw

Hello guys, I am doing the numercial error analysis study, but now I meet such problem:
how to change the 2d dot plot to the 3d plot? I mean extending like the generatrix of a cylinder.
It can be understood as the inverse operation of projecting a three-dimensional xyz surface onto the xy plane. the code is attached. Welcome all you discuss.