sech Mul x0 Pow x0 0.457657554360286 
Mul Mul tanh Mul x0 Pow x0 0.457657554360286 Mul -1 sech Mul x0 Pow x0 0.457657554360286 Add Pow x0 0.457657554360286 Mul x0 Mul Pow x0 -0.542342445639714 0.457657554360286 