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@MFosset
MFosset / pg-pong.py
Created June 30, 2021 14:09 — forked from karpathy/pg-pong.py
Training a Neural Network ATARI Pong agent with Policy Gradients from raw pixels
""" Trains an agent with (stochastic) Policy Gradients on Pong. Uses OpenAI Gym. """
import numpy as np
import cPickle as pickle
import gym
# hyperparameters
H = 200 # number of hidden layer neurons
batch_size = 10 # every how many episodes to do a param update?
learning_rate = 1e-4
gamma = 0.99 # discount factor for reward
@MFosset
MFosset / nes.py
Created June 30, 2021 14:09 — forked from karpathy/nes.py
Natural Evolution Strategies (NES) toy example that optimizes a quadratic function
"""
A bare bones examples of optimizing a black-box function (f) using
Natural Evolution Strategies (NES), where the parameter distribution is a
gaussian of fixed standard deviation.
"""
import numpy as np
np.random.seed(0)
# the function we want to optimize
@MFosset
MFosset / hide_single_cell.py
Created April 22, 2021 15:42 — forked from Zsailer/hide_single_cell.py
Hide a single cell in Jupyter notebook
from IPython.display import HTML
from IPython.display import display
# Taken from https://stackoverflow.com/questions/31517194/how-to-hide-one-specific-cell-input-or-output-in-ipython-notebook
tag = HTML('''<script>
code_show=true;
function code_toggle() {
if (code_show){
$('div.cell.code_cell.rendered.selected div.input').hide();
} else {