Hello, everyone! Could you tell me how to express the following concave function in the CVX?

f(x,t) = t \log (1 + \frac{x}{t}), where x and t are variables.

Thanks!

Hello, everyone! Could you tell me how to express the following concave function in the CVX?

f(x,t) = t \log (1 + \frac{x}{t}), where x and t are variables.

Thanks!

I got it. It should be -\text{rel_entr}(t,t+x)