The TM set of equations can be solved using a finite difference time domain (FDTD) approximation that is second-order accurate in both space and time.
2
列出二阶偏微分方程，采用一维方法求解得到了磁场、涡流的解析表达式。
Second order partial differential equations were given. They were solved by one-dimension method and analytical solutions for magnetic field and eddy current were obtained.
3
本文证明了求解周期区域上的二阶线性偏微分方程的一致有效渐近解的正交条件是充分和必要的。
In this paper, We prove that the orthogonal condition to solve the uniform asymptotic solution of second order linear P. D. E in periodic region is the necessary and sufficient condition.
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