Cannot perform the operation: {real affine} .* {log-affine} in CVX Nonconvex Feb 25, 2016 J Jessychen Feb 25, 2016 #1 I’m new in cvx.When i use cvx,it says"Disciplined convex programming error: Cannot perform the operation: {real affine} .* {log-affine}" What should i do ? Is that mean i cann’t use cvx in my optimization problem? Here is my code: 1.png1105×313 6 KB M Michael C. Grant Feb 26, 2016 #2