Mul tanh Pow Pow x2 0.327450150237258 x0 Add x4 x3 
Mul Add x4 x3 Mul Pow sech Pow Pow x2 0.327450150237258 x0 2 Mul Pow Pow x2 0.327450150237258 Add x0 -1 Mul Pow x2 0.327450150237258 log Pow x2 0.327450150237258 