Michael Brengel mbrengel

Recently created

Least recently created

Recently updated

Least recently updated

mbrengel / logging_example.py

Last active January 17, 2024 11:30

Python Logging Setup

	#!/usr/bin/env python3
	import logging
	from logging.handlers import RotatingFileHandler
	import sys

	import colorama

	def configure_logging():
	# enable cross-platform colored output
	colorama.init()

mbrengel / mnist_nn.py

Last active March 5, 2020 11:41

Bare-bones hard-coded vanilla shallow feedforward neural network (sigmoid activation, cross entropy cost function, stochastic gradient descent, backpropagation, regularization) for the MNIST dataset yielding ~98% accuracy.

	#!/usr/bin/env python3
	import gzip
	import io
	import numpy as np
	import random
	import requests

	# reproducibility
	np.random.seed(1337)

mbrengel / archvbox.bat

Last active September 20, 2022 12:21

Unattended Arch Linux VM installation script for VirtualBox on Windows hosts + a toolchain for building and modifying the script.

	@echo off
	if NOT EXIST %HOMEDRIVE%%HOMEPATH%\vmshare (
	echo shared vm folder %HOMEDRIVE%%HOMEPATH%\vmshare does not exist
	exit /B
	)
	if NOT EXIST %HOMEDRIVE%%HOMEPATH%\arch.iso (
	echo arch linux iso %HOMEDRIVE%%HOMEPATH%\arch.iso does not exist
	exit /B
	)
	where vboxmanage > nul 2>&1

mbrengel / clustering.py

Last active September 27, 2019 12:14

Hierarchical Agglomerative Clustering

	#!/usr/bin/env python3.7
	from scipy.cluster import hierarchy
	from matplotlib import pyplot as plt
	import numpy as np

	class ClusteringItem:
	def __init__(self, label, features):
	self.label = label
	self.features = features