UAV Positioning_ Restricted Zone

That restricted zone constraint is a very non-convex constraint. Please read Why isn't CVX accepting my model? READ THIS FIRST! very carefully before you attempt to further use CVX.

Also note that the constraint e >= 0 and e <= 1 are redundant given that e is declared binary.

in the future, rather than using images.please copy and paste code and output into your post, suing Preformatted text icon.