Calculating a feed forward network by hand In computer science the building blocks of everything are ones and zeros. This simplicity is not an obstacle for building complex systems. For Artifical Neural Networks the simple building blocks are the perceptrons....
Decision Tree I have got a small data set (my working hours as a working student) on which I want to train a binary classifier to tell working days from non-working days apart. My regular days in the office changed...
Using a support vector machine to classify workdays I use the same data set as in my last post which is a list of days (weekday, day of the month, month) from the last years labeled with 1 or 0...
Principal components analysis with numpy The first section of the deeplearningbook aims to refresh basic knowledge about linear algebra. Only the most important concepts to understand machine learning were covered. New for me (or I just did not remember from...
Django migration for through model to a ManyToMany I recently had the problem that a m2n relation in a django application should be sortable. So I wanted to add a through model to the relation but unfortunately as of now...
Quickstart to TensorFlow I decided to build the classic MNIST hello world digit recognition with a convolutional neural network in tensorflow. And then I wrote a small Tkinter user interface to draw numbers, sample them down and feed them into...
DLT against climate change In November 2017 I participated at a hackathon in Bonn called “Hack4Climate”. Actually on a boat which was anchored five minutes from the city center in the river Rhine. A cool location to host an event....
Summer 2017: Ethereum+Iota hackathon in Frankfurt In May 2017 I read on the website of the blockchain department of the Technical University Munich that they are going to co-host a hackathon on DLT in Frankfurt. Together with a friend we...
Sharing remaining mobile data in exchange for Iota Quick link for the impatient: promo site Prelude The story begins in December 2017 on Reddit. Somebody was asking in the subred of Iota (not literally): Anybody got cool ideas for a...
Setup: There are 8 cameras positioned around a cube at which they are looking (ref: Initial setup). Every face of the cube is colored differently. Scope: Spot the location of every camera by analyzing its rgb stream. Example: Camera No....
Today on the 9th of February 2018 a lot of wordpress blogs will be updated manually by their administrators because the automatic updater was broken with version 4.9.3. Most of the blogs and websites I host don’t even use plugins...