边界元算法求解正方形导热问题实例。一个简单的二维导热模型，用BEM算法求解，用于学习边界元编程。-Boundary element method for solving square conduction problem instances. A simple two-dimensional heat conduction model, using BEM algorithm for learning boundary element programming.

求解边界元方程，使用TDMA算法，该算法计算速度快，对计算机的要求不高，非常适合研究人员计算使用。-BEM equations, using TDMA algorithm calculation speed, do not ask for a computer, the researchers calculated very suitable for use.