x/(1+exp(-x)) is neither convex nor concave, so it can’t be used in CVX, regardless of whatever number it is multiplied by.
Please carefully read the link, which was provided in an answer to a previous question by you
x/(1+exp(-x)) is neither convex nor concave, so it can’t be used in CVX, regardless of whatever number it is multiplied by.
Please carefully read the link, which was provided in an answer to a previous question by you