The Yee algorithm is one realization (others are possible) of the FDTD methodology to solve Maxwell’s equations based on second-order central finite differences. In this chapter we develop the Yee algorithm for a linear nondispersive medium. Following our strategy of stepwise increasing complexity, we develop the Yee algorithm in one dimension to avoid the distracting technical details that arise in two and three. Nonetheless, there are many ‘devils in the details.’
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