Pow Mul sech x0 -0.791790365105872 x0 
Mul Pow Mul sech x0 -0.791790365105872 Add x0 -1 Add Mul x0 Mul -0.791790365105872 Mul tanh x0 Mul -1 sech x0 Mul Mul sech x0 -0.791790365105872 log Mul sech x0 -0.791790365105872 