Alexander Botev botev

botev / test_lbfgs.py

Created September 21, 2017 02:42

Scipy LBFGS

	import os
	import time
	import numpy as np
	import theano
	import theano.tensor as T
	from scipy.optimize import fmin_l_bfgs_b


	def scipy():
	path = "."

botev / double_lop.py

Last active July 19, 2017 20:31

Double Lop

	import time
	import os
	import numpy as np
	import theano
	import theano.tensor as T
	from IPython.display import Image

	def Rop(f, x, v):
	if isinstance(f, (list, tuple)):
	u = [T.zeros_like(fi) for fi in f]

botev / run_yellow_fin_vae.py

Last active July 13, 2017 13:42

Theano Yellow Fin

	import numpy as np
	import argparse

	import theano
	import theano.tensor as T
	from theano.sandbox.rng_mrg import MRG_RandomStreams as RandomStreams
	from theano.gradient import zero_grad


	import lasagne.layers as L

botev / Theano_cuSOLVER.py

Last active March 23, 2017 13:43

Theano + cuSOLVER

	from __future__ import absolute_import, print_function, division

	import numpy as np
	import theano
	from theano import Op
	import theano.tensor as T
	from theano.gpuarray.basic_ops import (gpu_contiguous, as_gpuarray_variable,
	infer_context_name)
	from theano.gpuarray.type import get_context

botev / tensor_shapes.rs

Last active December 15, 2016 02:40

Demonstrating how we can use symbolic integer for automatic shape inference and verification.

	use std::collections::HashMap;

	extern crate symints;
	use symints::*;

	type SymInt = Polynomial<String, i64, u8>;

	type Shape = (SymInt, SymInt, SymInt, SymInt);

	enum ConvolutionMode {

botev / qtip

Created October 20, 2016 10:25

	<!doctype html>
	<html>
	<head>
	<title>MNIST</title>
	<!-- jQuery -->
	<script src="http://code.jquery.com/jquery-2.0.3.min.js"></script>
	<!-- Cytoscape -->
	<script src="http://cytoscape.github.io/cytoscape.js/api/cytoscape.js-latest/cytoscape.min.js"></script>
	<!-- Dagre -->
	<script src="https://cdn.rawgit.com/cpettitt/dagre/v0.7.4/dist/dagre.min.js"></script>

botev / hess.ipynb

Last active June 25, 2016 15:58

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botev / grad_check.cpp

Last active June 17, 2016 20:54

	//
	// Created by alex on 17/06/16.
	//
	#include "arrayfire.h"
	#include "iomanip"

	class BinaryCrossEntropy{
	public:
	inline
	af::array func(af::array prediction, af::array targets){

botev / Iterator.cpp

Last active May 17, 2016 11:38

Iterator for arrayfire

botev / test.cpp

Created April 27, 2016 21:09

Time my_reduce