evomo.problems.neuroevolution.morobtrol.mo_half_cheetah

Classes

MoHalfcheetah

The multi-objective version of halfcheetah env.

Module Contents

class evomo.problems.neuroevolution.morobtrol.mo_half_cheetah.MoHalfcheetah(**kwargs)

Bases: brax.envs.half_cheetah.Halfcheetah

The multi-objective version of halfcheetah env.

References:

[1] C. D. Freeman, E. Frey, A. Raichuk, S. Girgin, I. Mordatch, and O. Bachem, “Brax - a differentiable physics engine for large scale rigid body simulation,” 2021. [Online]. Available: http://github.com/google/brax

Initialize the multi-objective halfcheetah env.

Parameters:

num_obj – The number of the objectives. For this env, it is set to 2.

num_obj = 2

reset(rng)

step(state, action)

Run one timestep of the environment’s dynamics.

For more information, please refer to halfcheetah <https://github.com/google/brax/tree/main/brax/envs/half_cheetah.py> env in brax.