Already in previous post i described about matlab and related engineering projects and application. Here i would like to share about matlab exchange where the matlab code files, applications related to matlab tool boxes can be freely obtained and also you can share your matlab files and application with this site. For this go to http://www.mathworks.com/ and register for your product update, then you will be the regular user of this.
A lot matlab applications on Embedded systems, control systems, Neural networks, fuzzy, genetic algorithms, communications fields and field of your interest can be obtained here. It is purely for matlab communities