Mercurial > pylearn
view sandbox/rbm/main.py @ 402:ffdd2c199f2a
* Added momentum.
* Added deterministic_reconstruction_error.
author | Joseph Turian <turian@gmail.com> |
---|---|
date | Wed, 09 Jul 2008 15:27:12 -0400 |
parents | 269d5c5a4209 |
children | c2e6a8fcc35e |
line wrap: on
line source
#!/usr/bin/python """ Simple SGD RBM training. (An example of how to use the model.) """ import numpy nonzero_instances = [] #nonzero_instances.append({0: 1, 1: 1}) #nonzero_instances.append({0: 1, 2: 1}) nonzero_instances.append({1: 0.1, 5: 0.5, 9: 1}) nonzero_instances.append({2: 0.3, 5: 0.5, 8: 0.8}) nonzero_instances.append({1: 0.2, 2: 0.3, 5: 0.5}) import model model = model.Model() for i in xrange(100000): # Select an instance instance = nonzero_instances[i % len(nonzero_instances)] # SGD update over instance model.update([instance])