How can I find a (simple) continuous function that works approximately this way?
$$\exp\left(\frac{1}{x}\arctan\left(x\right)\right)+\frac{x^{2}}{50}$$ This function is adequate .
$$\exp\left(\frac{1}{x}\arctan\left(x\right)\right)+\frac{x^{2}}{50}$$ This function is adequate .