please help about simulation with matlab (wideband antenna)

I need to simulator about wideband using rectangular array structures
with matlab program
but I don,t know code matlab about it

That equetion is
H(f1,f2)=sin[αΠ(f1/f2-tanθ۪ )]
________________ * G(f1,f2)^(-1)
αΠ(f1/f2-tanθ۪ )

we will have:

G(f1,f2)=(-1.8f12-1.8f22+0.6√(f12+f22) + 0.95 )( (-1/16200) * (arctan(f1/f2))2+1)

α= tanΔθ
_____________________________
-1+ √(1+tan2Δθ+tan2Δθtan2θ۪ )

f1=1/12 *f *sinθ
f2=1/12 *f *cosθ

so that f1 and f2 relation is varid for -90°< θ <90°

Assuming that :
θ۪ =30°
Δθ=20°
f=6*10^9

I want to plot H(f1,f2) that show 3D

please help me about it.
thank you very much ^_^
miss sineenart P.
sineenart_tce(at)hotmail.com

Mail me the equations: r.k.mishra@ieee.org

Our group can give you the code.