## Does Number Encoding Affect Logistic Map Results?

The Logistic Map The Logistic Map provides a well known demonstration of chaos theory and, specifically, the butterfly effect. It is defined as follows: xn+1 = rxn(1 – xn) eq 1 where x in range (0, 1.0) The Logistic Map is a discrete variant of the Logistic Function, often used to model populations. The mapping …

## TRAL.RANDOMNESS — Random Number Class Library for C#

TRAL.RANDOMNESS is a random number class library for C#. It provides common PRNG algorithms and a random number generator class. Also on: Nuget This project is licensed under Apache, Version 2.0. Quick Start Install the NuGet Release or download and build the source. Basic Routines Here, we create a default RandomGenerator instance and demonstrate a …

## EVOLGEN — Genetic Algorithm — TSP 20,000 Cities

Abstract Results are presented of a genetic algorithm (GA) solving the Travelling Salesman Problem (TSP) with 20,000 city locations. Additionally, the performance of PMX vs OX1 vs “no crossover” schemes are compared, along with some thoughts for improving performance. Hardware is that of an Intel i6700. Implementation is C# (.NET v5.0.1). Introduction A little while …

## Statistics – Confidence Intervals

Foreword I wrote the following many years ago when I learning basic statistics. It still serves as a reference occasionally and I thought I’d put it online. There is also a page on Statistics – Mean, Distribution and Variance. Confidence Intervals A confidence interval (CI) is an interval in which a sample (a measurement or …

## Statistics – Mean, Distribution and Variance

Foreword I wrote the following many years ago when I learning basic statistics. It still serves as a reference occasionally and I thought I’d put it online. There is also a page on Statistics – Confidence Intervals. Arithmetic Mean The arithmetic mean, or average, is calculated simply by summing individual values in a list, and …

## Asteroids Game in C++/Qt

Running the Game ASTEROID ARCADE is a highly playable open source “retro vector” game written in C++ by Andy Thomas. It utilises the Qt Framework. Download the latest “release” of ASTEROID ARCADE from Github (click “release” near the top-right of the GitHub page and download the zip file). This will contain binaries built for Windows. …

## WordPress Theme Test Card

The following is a “test card” which displays various web-page elements used to visually inspect a wordpress theme. It was used in the development of KUIPER Twenty Seventeen. Text Elements This is text. This is a text link. This bold. This is italic. This is bold italic. This is inline code. The following is a …