Question about defining formula in the cvx

Dear Mark

To formulate my optimization problem, I confront with the problem that I will appropriate you if advise me.

I don’t know how I can define the following formula to the cvx.formul

I will appropriate you if help me.
Best wishes,

I don’t think your previous problem Problem in programming suddenly became convex (or concave) with these modifications. You will need something other than CVX to address this problem.

Thanks for your reply.