In this reinforcement learning example, there is problem about finding minimum x point for potential energy of Leonnard Jones Potential Energy. you can find the equation of potential energy in wikipedia site: https://en.wikipedia.org/wiki/Lennard-Jones_potential

environment created as potential energy and actions with gym that are discreted for now. There is three action: 1) add 0.01 nanometer to available x point 2) add -0.01 nanometer to available x point 3) stop at available x point

for action selecting used for Pytorch DQN model