Pow asec sech Mul 0.252680255142079 x0 Mul -1 x0 
Mul Pow asec sech Mul 0.252680255142079 x0 Add Mul -1 x0 -1 Add Mul Mul -1 x0 Mul Mul Mul tanh Mul 0.252680255142079 x0 Mul -1 sech Mul 0.252680255142079 x0 0.252680255142079 Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul sech Mul 0.252680255142079 x0 sech Mul 0.252680255142079 x0 -1 sech Mul 0.252680255142079 x0 sech Mul 0.252680255142079 x0 -1 Mul Mul asec sech Mul 0.252680255142079 x0 log asec sech Mul 0.252680255142079 x0 -1 