Sitemap

Juggling

• Ball Passing Patterns
  There are many different juggling patterns for two or more persons. Here we list a selection of two-person patterns.
• Juggling and Unicycling
  Jochen's juggling activities.
• Juggling Patterns
  Patterns for Ball Juggling
• The Physics of Ball Juggling
  A short description of some of the physical properties of juggling patterns, including Shannon's juggling theorems.

Linux

• ASUS A8V Linux Support
  State of Linux support for the ASUS A8V motherboard.
• Griffin iMic Linux Support
  State of Linux support for the Griffin iMic USB sound card.
• Linux Hardware Support
  list of pages about Linux hardware support
• Linux on a Toshiba Satellite 2430-301
  Status of Linux support on my Toshiba Satellite 2430-301 laptop
• Linux on an Apple Powerbook G4
  State of Linux support on Apple Powerbook G4 laptops.
• Linux on Soekris net4521
  Hints about installing Linux on a Soekris net4521 board
• M-Audio Revolution 5.1 Linux Support
  State of Linux support for the M-Audio Revolution 5.1 sound card.
• Profile of the Boot Process of a Debian System
  Profile of the Boot Process of a Debian System, generated using a custom Python script.
• Using the ALSA Sound System
  A short guide through the Linux ALSA mess and some hints about configuration.

Mathematics

• Mathematical Homepage of Jochen Voss
  I am a mathematician, interested in probability, statistical computing and applied mathematics. This page gives an overview over some of my mathematical interests.
• Mathematische Bildergalerie
  Bilder von unterschiedlichen mathematischen Objekten.
• Matrix Analysis and Algorithms
  Lecture Notes: Numerical Linear Algebra
• The Mathematical Theory of Juggling
  Mathematical Theory of Juggling
• The Ziggurat Method for Generating Gaussian Random Numbers
  A fast method for generating Gaussian random numbers.

Miscellaneous

• cereal grains
  I clear up the confusion between different cereal grains by comparing wheat, barley, oat, and rye, highlighting their uses and growing conditions. This reference guide helps distinguish which grain is which and why each matters in agriculture and food production.

Software

• A Simple Tracing Framework for Go
  A simple tracing framework for the Go programming language.
• CSimGen
  Auto-generate C code for numerical simulations
• Debian-vote
  An implementation of the Debian Voting System
• Dice
  A Metafont dice font for TeX and LaTeX
• Fast-DM
  Fast parameter estimation for Ratcliff's diffusion model.
• go-ncurses
  A Go wrapper for the ncurses library
• go-pdf
  A Go library for reading and writing PDF files
• go-websocket
  A GPL-licensed WebSocket server written in Go
• Golist
  Track and rate Go player strength from game results
• Graphcrypt
  Visual cryptography demonstration
• HairerVoss10
  Source code for numerical simulations in 'Approximations to the Stochastic Burgers Equation'
• Jvfonts
  Blackboard bold fonts for LaTeX
• JvJsDoc
  A JavaScript documentation generator
• jvqplot
  A simple data plotting program
• Jvrand
  A C library for random number generation
• Jvterm
  A fullscreen X11 terminal emulator
• Moon-buggy
  A simple ASCII art game
• MT19937
  Mersenne Twister pseudo-random number generator for Go
• new jvlisting release
  I release version 0.5 of jvlisting, a LaTeX package that provides an improved alternative to LaTeX's verbatim environment, featuring bug fixes and cleaner source code. The package is available for download from my webserver, CTAN, and includes a comprehensive users' manual.
• new LaTeX package "jvlisting"
  I introduce jvlisting, a new LaTeX package that provides an improved listing environment for including source code in documents with automatic whitespace handling and easy customization. The package is available for download and offers a practical alternative to LaTeX's standard verbatim environment.
• New moon-buggy release!
  After a 20 year hiatus, moon-buggy 1.1.0 was released today.
• Parallel
  Run independent programs in parallel
• Programme
  Liste von Computerprogrammen und Ähnlichem.
• PSFile
  Generate PostScript files from Python
• Random Utils
  Random number utilities for shell scripts
• SandUhr
  An alarm clock for the GNOME desktop environment
• The Fortuna Random Number Generator
  An implementation of the Fortuna random number generator by N. Ferguson and B. Schneier in Go.
• The SHA-256d Hash for Go
  An implementation of the SHA-256d hash for the Go programming language.
• The Wisent Parser Generator
  A Python 3 port of my Python parser generator Wisent is available.
• Webpuzzle
  An HTML5 sliding picture puzzle game
• Wisent
  A Python LR(1) parser generator.
• XIsing
  Generate samples from the Ising model
• Zettel
  A todo list and appointment calendar for shell init scripts

Tutorials

• 3D graphics in R (updated)
  I demonstrate how to create interactive 3D surface plots in R using the rgl library, with example code showing how to customize colors and control window positioning. The resulting plots can be rotated and scaled using your mouse for exploration.
• Calculating the Square Root of a Matrix
  How to use LAPACK in a C program to calculate the square root of a positive definite matrix.
• Controlling the Geometry of an HTML Element
  How to get/set the geometry of an HTML element?
• Creating a Poster with TeX
  How to create a conference poster using LaTeX and dvips.
• Date and Time Representation in Python
  understanding the different ways to represent date and time in Python
• figures with matplotlib
  I share how to configure matplotlib to create publication-ready figures for scientific papers, including font settings, figure dimensions, and margin adjustments optimized for journal layouts.
• How to Write an HTML5 App?
  A tutorial about writing HTML5 Apps, using HTML, JavaScript and CSS.
• LaTeX: calling a macro for every line of input
  Learn how to execute a macro repeatedly for every line of text in a LaTeX environment using the obeylines macro and conditional logic to process input line by line.
• Numerical Linear Algebra Packages on Linux
  Various linear algebra libraries are available for use in C programs on Linux. This page given an overview.
• Parsing Apache Log Files with Python
  I show you how to parse Apache web server log files in Python using regular expressions and convert the extracted fields into appropriate data types, including handling datetime values with timezone information.
• Setting up VServers on Debian
  How to set up VServer guests on a Debian host?
• time zone aware timestamps in JavaScript and Python
  I show you how to compute timezone-aware Unix timestamps in JavaScript and Python that work reliably across different timezones and daylight saving time changes by using UTC-based calculations.
• using DSSP in the "bio3d" R package
  I explain how to install and use the DSSP program through the bio3d R package to determine protein secondary structure from atomic coordinates. This guide covers the essential setup steps and provides a working example for analyzing protein structure data.
• using R to generate publication-quality figures
  I share practical techniques for generating publication-quality figures in R that can be seamlessly integrated into LaTeX documents, covering PDF output optimization and reproducible scripting workflows.
• watching DVDs on an Apple iPad
  I provide a step-by-step guide to convert your personal DVDs into iPad-compatible MP4 files using open-source Linux tools like MPlayer and MEncoder. This recipe walks you through identifying the correct DVD track, detecting crop settings, and encoding the video with the proper codec and audio settings for optimal iPad playback.