LMI_SOLVE

说明：  udf模拟油膜蒸发过程及其温度分布和各组分的浓度(Udf simulates oil film evaporation process and its temperature distribution and concentration of each component)

利用QS4算法解决N皇后问题，解决300万的皇后所需时间在5s左右，特别快(Use QS4 algorithm to solve the N-queens problem, solve 3000000 Queen the time required for about 5s, particularly fast)

圆周卷积滤波器，可清晰见到实际滤波器的算法(Circular convolution filter, can clearly see that the actual filter algorithm)

KPCA是一种非线性的盲源分离方法，很好用，推荐大家下载！(KPCA is a nonlinear blind source separation methods, very good, and recommend everyone to download!)

牛顿插值法进行多项式逼近，matlab编译成功，直接可用(Newton interpolation polynomial approximation method, matlab compiled successfully, directly available)

this document contains an explanation of mathematical functions

世界上最好的微积分教材，搞程序的，研究的，数学的都应该了解，这个是James.Stewart的Calculus第七版，英文原版，彩色的，值得珍藏。(The world' s best calculus textbook, engage in programs, research, mathematics should understand that this is James.Stewart seventh edition of Calculus, English original, colorful and worth treasuring.)

begining of UMAT in abaqus

用递推最小二乘法，使用MATLAB对液面高度进行估计。(using recursive least squares method, using MATLAB surface height estimation.)

说明：  用于abaqus二次开发材料VUMAT，为初级学者找到更简单的方法(Materials for ABAQUS secondary development)