有用的MATLAB源码，关于有限元部分的，对于不使用cae商业软件需自编程的人员，有很好的指导作用-Useful MATLAB source code, on the finite element part, for non-use of cae commercial software required to self-programming personnel, have a good guide

利用基于最小二乘法的多项式拟合算法处理商业数据，包含源码(Using the polynomial fitting algorithm based on the least square method to deal with commercial data, including the source code)