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Hello everyone,

I have made some progress. I got rid of the error. However, I am getting "zero" values for my plots for the E-Plane and H-Plane plots. This is where I am seeking help in terms of the "conceptual" or perhaps analytical reasoning for this patch antenna. This has to do with the derivation for the patch antenna E-Fields.

I've tried looking through and I haven't found an "algebraic" error or conceptual error that is causing everything to go to zero at the very end.

See the updated code attached:

Plotting_E_Plane_H_Plane_Patch_Antenna.zip