View bcefl.py
from theano import tensor
def binary_crossentropy_from_logits(logits, targets):
"""Binary cross-entropy computed from model logits.
Parameters
----------
predictions : TensorVariable
The unnormalized log probabilities of a probabilistic binary
classifier.
targets : TensorVariable
View simple_mnist_gan.py
from collections import OrderedDict
from blocks.algorithms import GradientDescent, Momentum
from blocks.bricks import (
MLP, Rectifier, Logistic, Linear, LinearMaxout, Sequence, Random
)
from blocks.extensions import Printing, Timing
from blocks.extensions.training import SharedVariableModifier
from blocks.extensions.monitoring import (DataStreamMonitoring,
TrainingDataMonitoring)
View interleaved.ipynb
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
View sshft.sh
sshft() {
if [ $# -lt 2 ]; then
echo "usage: sshft host [port|local:remote|local:bridge:remote] ...]"
return 1
fi
if [ -z "$DEFAULT_SSH_PROXY_HOST" ]; then
echo "No DEFAULT_SSH_PROXY_HOST set."
return 1
fi
FIRST_SSH_ARGS="$DEFAULT_SSH_PROXY_HOST"
View lib.py
# It's important not to define any classes you want serialized in
# the script you're running as pickle doesn't like that (if you pass
# save_main_loop=False to Checkpoint it's fine, though).
from theano import tensor
import numpy
import theano
from picklable_itertools import imap, izip, repeat
# Your algorithm object just needs two required methods: initialize()
View segmented_epoch_stream.py
"""Fuel DataStream that segments the epochs of another DataStream."""
__license__ = """
Copyright (c) 2016 Universite de Montreal
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
View gist:c659fdd50285b5a4885c10acc34b77e7
Traceback (most recent call last):
File "/u/wardefar/miniconda/lib/python3.4/site-packages/IPython/core/history.py", line 85, in catch_corrupt_db
return f(self, *a, **kw)
File "/u/wardefar/miniconda/lib/python3.4/site-packages/IPython/core/history.py", line 227, in init_db
end timestamp, num_cmds integer, remark text)""")
sqlite3.OperationalError: disk I/O error
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
View binary_cross_entropy.tex
\documentclass[12pt]{article}
\usepackage{amsmath}
\begin{document}
\begin{eqnarray*}
CE(a, t) & = & -t\log\left(\sigma(a)\right) - (1 - t)\log\left(1 - \sigma(a)\right) \\
& = & -t \log \left(\frac{1}{1 + \exp(a)}\right) - (1 - t)\log\left(1 - \frac{1}{1 + \exp(a)}\right) \\
& = & -t \log \left(\frac{1}{1 + \exp(a)}\right) - (1 - t)\log\left(\frac{\exp(a)}{1 + \exp(a)}\right) \\
& = & t \log \left(1 + \exp(a)\right) - \left[(1 - t)\log(\exp(a)) - \log(1 + \exp(a))\right] \\
&= & t \log \left(1 + \exp(a)\right) - (1 - t)\log(\exp(a)) + (1 - t)\log(1 + \exp(a)) \\
View rpn.py
"""A reverse Polish notation calculator. Supports float and int literals."""
from __future__ import print_function
import operator
import sys
OPERATORS = {'+': operator.add, '-': operator.sub, '%': operator.mod, '/':
operator.truediv, '//': operator.floordiv, '*': operator.mul,
'**': operator.pow}
View partial_last.py
import functools
class partial_last(functools.partial):
"""Like functools.partial, but fill positionals from the end.
Useful for builtin C functions where you *can't* pass later args as
keywords because CPython is stupid about that.
Examples
--------