contourlet

说明：  贝叶斯统计推断相关资料和贝叶斯方法，学习贝叶斯不错的资料(Bayesian statistical inference related data and bayesian methods, learning bayesian good data)

fortran程序，计算应力强度因子和特征值和特征向量，研究多种材料接触(fortran program)

四阶龙格库塔算法，用来求解二阶偏微分方程，在转子系统的动力学方程数值求解中普遍应用(Runge Kutta algorithm)

comsol .mph 压电案例文件 详细说明了如何进行压电操作(comsol .mph piezo example file)

对于PID算法给予了通俗易懂的讲解，有利于初学者快速掌握PID的要领(I give the PID algorithm the understandable explanation，which will help beginners to quickly master the PID essentials)

我自己用c语言写的64点基4FFT算法，在visual c++ 6.0环境下编译通过。同matlab结果一致。(My own use C language to write the 64 based 4FFT algorithm, in visual c++ 6 compiler environment through. Results consistent with matlab.)

Fluent 学习文件 全方位的指导手册 (Building geometry Setting boundary condition types)

截断奇异值分解技术是一种正则化方法，用于不适定问题的数值计算(Truncated Singular Value Decomposition is a regularizaiton method for ill-conditioned problem computation.)

说明：  PCA主成分分析的标准MATLAB程序,可通用,非常有效(PCA principal component analysis of the standard MATLAB procedures, can be universal, very effective)

用于模拟混凝土单元的弹塑性模型，并有损伤变量，在ABAQUS中umat中输入弹性模量，泊松比与屈服应力即可。(The elastic-plastic model for the simulation of concrete unit, and the damage variable in the ABAQUS umat enter the elastic modulus, Poisson' s ratio and yield stress can be.)