A Nyström Method with Lagrange's Interpolation for Solving Electromagnetic Scattering by Dielectric Objects

In electromagnetics, the integral equation method is an important method for solving electromagnetic problems. In this paper, the Moment of Method and Nyström, two methods commonly used to discretize integral equations at present, are compared. And we propose an improved Nyström method by using a Lagrange's Interpolation to achieve uniform source points and matching points. This method is used to solve electromagnetic scattering by dielectric objects and numerical examples are presented to demonstrate the method.