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simulations with Lagrangian method,both symbolic and by numeric deriv
...All well-grouped in folders. there is also a 'review' in 3 demos of the Newtonian dynamics: mass-spring systems. most of progs are written in C, with use of SDL lib to display simple graphics and have real-time interactivity. As to programming complexity, it's very simple... this all aims at classical physics simulation in a simple but efficient way. The numeric stuff really just illustrate the use of a real little physics-engine aimed at articulated body simulation... that's the funnest part of it: but of course much more is coming. Also some examples in Game Maker and Matlab/Octave are coming soon.
link to Part 1 of the video where all method is thoroughly exmplained:
http://youtu.be/ELD0WPOxNb0
http://youtu.be/Kjhkyq-pLLw
the part_2 shall explain numeric stuff, and some support for collisions and serious rigid bodies jointed.
2D motorcycle simulator done using Lagrangian equations of motion
2D simulation game using exlusively Lagrangian equations of motion. It's a 2D motocross game similar to X-Moto, ActionSupercross and such. Some stability issues persist but mostly it's good already. I shall compile it soon for Windows: one of the problems is that Windows compilers must periodically be reinstalled, and that's annoying.
Using Lagrangians in games is not a well documented thing, but it allows to achieve exellent results in very little time, soon after a good parametrization...
Application of neural network to predict the future of stock exchange, aerospace ( ufo trajectory ), sound, image, noise, scientific or medical data. You need , by example, 100 days of a numeric data and the number of days to predict (by example 7 days).