X is a variable and a is a constant. I want to achieve the following functionality:
if X <= 0
f = X + a;
else
f = a;
end
How can I express this constraint in cvx?
see
by the way, the function f you posted is concave to X, it can be expressd by f=(-abs(x)+x)/2+a; in cvx.
Or you can use the provided pos function as
-pos(-x) + a
Thank you very much! I forgot that there is a pos function
