April 2019
Intermediate to advanced
212 pages
5h 34m
English
Content preview from Hands-On Q-Learning with Python
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Pendulum
The pendulum environment implements the classic inverted pendulum swing-up problem in control theory:
The pendulum is of the length l and weight mg. It has a rotational velocity and a rotational angle. It is frictionless, and the goal is to keep it pointing upright.
From the preceding diagram, we want to keep the rotational angle theta at zero and the rotational velocity as low as possible. The following is the Gym implementation of the frictionless pendulum:
The pendulum has a random starting velocity and a random starting angle ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.