IE3D calrifictaion

Hello..
I'm simulating a microstrip patch antenna with a U slot.I'm attaching the layout diagram also.Can u please suggest how to optimize this U slot in IE 3D ,optimization being in both length and breadth of the slot.Please note that I need U slot to be symmetrical in the patch.
Thanks,
Sumy Jose

Hi, Sumy: I don't see any attachment. Defining the optim variables for L and W with symmetrical slot should not be difficult. Please send me (jian@zeland.com) the dimensions and I built one for you. It takes couple minutes for me anyway. Regards.