Files
easy-rl/codes/PolicyGradient/model.py
T
2020-11-27 18:34:11 +08:00

27 lines
732 B
Python

#!/usr/bin/env python
# coding=utf-8
'''
Author: John
Email: johnjim0816@gmail.com
Date: 2020-11-22 23:18:46
LastEditor: John
LastEditTime: 2020-11-27 16:55:25
Discription:
Environment:
'''
import torch.nn as nn
import torch.nn.functional as F
class FCN(nn.Module):
''' 全连接网络'''
def __init__(self,state_dim):
super(FCN, self).__init__()
# 24和36为hidden layer的层数,可根据state_dim, n_actions的情况来改变
self.fc1 = nn.Linear(state_dim, 36)
self.fc2 = nn.Linear(36, 36)
self.fc3 = nn.Linear(36, 1) # Prob of Left
def forward(self, x):
x = F.relu(self.fc1(x))
x = F.relu(self.fc2(x))
x = F.sigmoid(self.fc3(x))
return x