TM Electromagnetic Scattering from PEC Polygonal Cross-Section Cylinders: A New Analytical Approach for the Efficient Evaluation of Improper Integrals Involving Oscillating and Slowly Decaying Functions

<div>Integration contours in the complex plane. (a) Integration contour nonintersecting the branch-cuts of the integrand. (b) Integration contour intersecting one of the branch-cuts of the integrand.</div>

Advances in Mathematical Physics

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Figure 4

Figure 4: TM Electromagnetic Scattering from PEC Polygonal Cross-Section Cylinders: A New Analytical Approach for the Efficient Evaluation of Improper Integrals Involving Oscillating and Slowly Decaying Functions 

Figure 4 | TM Electromagnetic Scattering from PEC Polygonal Cross-Section Cylinders: A New Analytical Approach for the Efficient Evaluation of Improper Integrals Involving Oscillating and Slowly Decaying Functions 