Magnetism

## Development of Complex Electromagnetic Problems Using FFYF by Khairan N. Ramli, Raed A. Abd-Alhameed, Peter S. Excell

By Khairan N. Ramli, Raed A. Abd-Alhameed, Peter S. Excell

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Example text

N. Ramli, M. Lashab, K. H. Sayidmarie et al. nˆ is the unit normal vector to the surface of the structure. 12) where  and  are respectively the gradient with respect to source point (x,y,z) and the divergence with respect to the observation point (x,y,z). 12) is defined as the electric field integral equation (EFIE). The temporal dependence ejt is omitted here, but it is considered present in all this manuscript. The solution of the integral equation leads to the density of current in which the directivity and the gain of the antennas are obtained.

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