椭圆方程的matlab有限差分计算程序，能够近似求解椭圆形偏微分方程(Elliptic equation matlab finite difference calculation procedures, can be solved approximately elliptic partial differential equations)

椭圆偏微分方程求解函数，调用该函数可以解任意椭圆偏微分方程(Elliptic partial differential equations to solve the function, call this function can solve any elliptic partial differential equations)