how to use sonnet rectangular patch

Hi i am working on a thesis for rectangular patch antenna . and i am trying to get the simulations in sonnetlite using the directions given at the link
http://www.mathworks.com/matlabcentr...bjectType=FILE
but when i try to change the value it says error or when i run the program it says error. please help me in this .
i am using matlab 7.0.1 version.

please let me know how to get the simulations ,, please help me.

Hello,

MATLAB release MATLAB 7.4 (R2007a)
Other requirements 1) Sonnet or SonnetLite (free) Tested on: WinXP PRO, WinXP Home, WinXP64, Windows Vista. Matlab 7.1, and Matlab 7.4

http://www.sonnetlist.com/phpBB2/viewtopic.php?t=452



---manju---