用C/C++编程求解了一个简单的有限元问题，可以作为有限元学习的编程实例，以更好地理解有限元理论，并为进一步使用大型有限元软件打下基础。-C/C++ programming to solve a simple finite element problems, programming examples can be used as finite element study to better understand the finite element theory, and to lay the foundation for the further use of the large finite element software.