I am using COMSOL for patch antenna design and i have a problem in the 3D Far Field, Virtual Array > Far Field 1 expression (emw.gaindBEfar+20*log10(emw.af3(8,8,1,0.48,0.48,0,0,0,0))+10*log10(1/64)) and i got :
Unknown function or operator.
- Name: emw.af3
- Plot: ff1 (Far field)
how can i fix it.
Since it is my studying project and on the university's computer I can not share it
pls help me about that
Malcolm White
I don't know, but the program can't identify the function you have named. Are you sure that you have spelt it correctly? Have you used the right shape of brackets? Have you given it the right number of parameters? It is often these sorts of errors that mean a program can't identify a function.
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