本程序为无对角矩阵代数方程的通用解法，可以方便的用于二维导热对流传热的数值求解。-This program is no universal solution to the diagonal matrix algebraic equations can be easily used for two-dimensional thermal convection in the numerical solution.

matlab计算等温和对流边界条件下二维墙角导热的数值模拟(Numerical simulation of thermal conduction in two dimensional corner by MATLAB)