How to express sum((ax+b)/(cx+d)) in cvx Uncategorized Nov 9, 2020 S Su_plt Nov 9, 2020 #1 I know this.image1469×138 12.6 KB But how to express sum((ax+b)/(cx+d)) in cvx? P 李东基 / Dongji Li Nov 9, 2020 #2 f=p+q*inv_pos(c*x+d) you can refer to the CVX user’s guide P 李东基 / Dongji Li Nov 9, 2020 #3 Replying to #2 right,I forget the sum sum(p+q*inv_pos(c*x+d))