How to express the constraint in cvx? Uncategorized Mar 9, 2023 J Jifazhang Mar 9, 2023 #1 1/(x*y)<=z where x>0, y>0 M Michal Adamaszek Mar 9, 2023 #2 z>=prod_inv([x,y]) or geo_mean([x,y,z])>=1 J Jifazhang Mar 9, 2023 #3 Replying to #2 thank you very much,