Add x0 tanh Pow x4 Pow x0 2.31243834127275 
Add 1 Mul Pow sech Pow x4 Pow x0 2.31243834127275 2 Mul Pow x4 Add Pow x0 2.31243834127275 -1 Mul Mul x4 log x4 Mul Pow x0 1.31243834127275 2.31243834127275 