sech Add asinh Mul -0.252680255142079 x0 -3 
Mul Mul tanh Add asinh Mul -0.252680255142079 x0 -3 Mul -1 sech Add asinh Mul -0.252680255142079 x0 -3 Mul -0.252680255142079 Pow sqrt Add 1 Mul Mul -0.252680255142079 x0 Mul -0.252680255142079 x0 -1 