采用有限差分法对二维静电场的数值计算。用mathematica语言编的源程序。-using the finite difference method to two-dimensional electrostatic field of numerical calculation. Using Mathematica addendum to the source.

有限差分法解二维电场，里面有正方形，矩形，正六边形以及二维无限场域问题

matlab有关的解法有限差分法的Matlab程序（椭圆型方程）