sech tanh Pow x0 1.25992104989487 
Mul Mul tanh tanh Pow x0 1.25992104989487 Mul -1 sech tanh Pow x0 1.25992104989487 Mul Pow sech Pow x0 1.25992104989487 2 Mul Pow x0 0.259921049894873 1.25992104989487 