This directory contains the paper "MATLAB-based Tools for Nonlinear Systems" by Martin Ondera as well as accompanying files. The paper itself is available in PDF format (Ondera.pdf). The accompanying files are sorted into several folders: "About" - HTML pages dedicated to the NelinSys toolbox "NelinSys" - complete NelinSys toolbox for use with MATLAB 5.2 "Examples" - Simulink schemes of the examples discussed in the paper (NelinSys is required to run the examples)