有限元方法的三角形单元程序，用C++编写，适合入门学习-Triangular element of the finite element method program with C++ prepared for entry-learning

一个简单的有限元三角形单元程序代码，网格划分好才能计算。-A simple triangular element finite element code, meshing well to calculate.

列主元高斯消去法和列主元三角分解法解线性方程 matlab代写代做编程调试修改QQ1747812398-Out PCA Gaussian elimination and main-element triangular decomposition method for solving linear equations matlab write on behalf of doing programming and debugging modify QQ1747812398

介绍了六节点三角形单元的基本原理，是使用matlab编程分析有限元问题的基础。(The basic principle of the six node triangular element is introduced.)