Problem

Array factor. Write a function ArrayF() in MATLAB that computes the array factor of...

Array factor. Write a function ArrayF() in MATLAB that computes the array factor of an array with an arbitrary number, N (N), of point sources lying along the z-axis and radiating with the phase coefficient β (beta). The points are equally spaced with respect to each other, and the interelement spacing is d (d). Feed currents of sources in the array have equal phase shifts between adjacent points, equal to δ (delta). The AF is computed for a given array or matrix of θ angles (array or matrix theta). An additional optional input to the function is an array of magnitudes of feed currents (I); if this input is missing, the currents are of the same magnitude, adopted to be unity (default assumption for the function). (ArrayF.m on IR)

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