Add Mul Add tanh Add x0 -2.31243834127275 x0 Mul -0.756802495307928 Pow x0 -4 x0 
Add Add Mul Mul -0.756802495307928 Pow x0 -4 Add Pow sech Add x0 -2.31243834127275 2 1 Mul Add tanh Add x0 -2.31243834127275 x0 Mul -0.756802495307928 Mul Pow x0 5 -4 1 