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16 Commits
Author SHA1 Message Date
Mike Clark 212ff0bc70 moving epsilon outside softplus 
I think you intended this to be outside the softplus. The reason is that it should be applied just before the log to avoid `log(0)=inf`.e.g.

- `log(softplus(-1000+1e-5))=log(0)=inf`. 
- `log(softplus(-1000)+1e-5)=log(1e-5)!=inf`. 

Also this fixes a NaN I had.
 2017-11-01 10:52:23 +08:00
Shangtong Zhang a59f2d2911 Benchmark DDPG with Roboschool 2017-10-27 23:09:24 -06:00
Shangtong Zhang 6682937b54 Support python3 and pytorch 0.2 2017-10-26 23:01:57 -06:00
Shangtong Zhang 1b6de16b4f Fix a critical bug in DDPG 2017-10-15 10:05:33 -06:00
Shangtong Zhang 3ed6f2a9db Log wall time 2017-10-14 16:38:51 -06:00
Shangtong Zhang c5cbc10f94 Refactor DDPG 2017-10-06 11:16:21 -06:00
Shangtong Zhang c773da7d08 Support shared stats for continuous A3C 2017-10-04 20:58:42 -06:00
Shangtong Zhang 3935dfc428 Unifying networks for continuous A3C and PPO 2017-10-04 11:03:02 -06:00
Shangtong Zhang 3adceb5284 Gaussian actor 2017-10-04 10:15:28 -06:00
Shangtong Zhang 27f54ed420 Single thread PPO 2017-10-04 09:33:35 -06:00
Shangtong Zhang e60e9feecb Refactor for HRA 2017-08-29 22:10:13 -06:00
Shangtong Zhang d52182882a Implementation of hybrid reward architecture 2017-08-29 21:52:26 -06:00
Shangtong Zhang b161200f0f Add BN layer 2017-08-02 14:35:51 -06:00
Shangtong Zhang 5116733f22 DDPG Pendulum 2017-08-01 10:52:14 -06:00
Shangtong Zhang 1be3b44999 Continuous A3C 2017-07-31 22:53:09 -06:00
Shangtong Zhang ce504e2d0f Major refactor 2017-07-26 18:18:49 -06:00