Let aa = a/g; bb=b/g;
log(1+aa*t/(bb+t)) = log(1+aa-aa*bb*inv_pos(bb+t))
, the latter of which complies with CVX’s rules.
So this generalizes (adapts) the reformulation provided above by @Michal_Adamaszek to bb
not necessarily equal to 1.
Let aa = a/g; bb=b/g;
log(1+aa*t/(bb+t)) = log(1+aa-aa*bb*inv_pos(bb+t))
, the latter of which complies with CVX’s rules.
So this generalizes (adapts) the reformulation provided above by @Michal_Adamaszek to bb
not necessarily equal to 1.