irls

偏微分方程的数值解法，简单的离散 变分以及求解过程(Numerical solution of partial differential equations, the simple and the solution process of discrete variational)

计算流体力学安德森第七章练习作业，附源程序。。(CFD Anderson Chapter VII practice operations, with source code. .)

大部分机械都是以转子形式运转，这本转子动力学是研究旋转机械动力学的基础(Most of the machinery are operating a rotor and the rotor dynamics is the study of the dynamics of rotating machinery foundation)

编写求取下述矩阵四叉树四进制M码和十进制码程序，并将运算结果返回。 1, 1, 1, 1, 2, 2, 3, 3, 1, 1, 1, 1, 2, 2, 3, 3, 1, 1, 1, 1, 4, 4, 5, 5, 1, 1, 1, 1, 4, 4, 5, 5, 6, 6, 7, 8,13,13,14,14, 6, 6, 9,10,13,13,14,14, 11,11,12,12,15,16,19,19, 11,11,12,12,17,18,19,19 (Prepared to strike the following matrix quadtree quaternary M code decimal code and procedures, and the operation result returned. 1, 1, 1, 1, 2, 2, 3, 3, 1, 1, 1, 1, 2, 2, 3, 3, 1, 1, 1, 1, 4, 4, 5, 5, 1, 1, 1, 1, 4, 4, 5, 5, 6, 6, 7, 8,13,13,14,14, 6, 6, 9,10,13,13,14,14, 11, 11, 12,12,15,16,19,19, 11,11,12,12,17,18,19,19)

C++中矩阵运算的实现 nr3.h为其他的书籍代码，测试环境为VS2008(Achieve C++ in matrix operations nr3 code for other books)

此程序用于计算矩形截面的弯矩曲率特性以及不同极限状态的识别(This program is used to calculate the moment curvature characteristic of the rectangular cross-section, and the identification of different limit state)

fluent 改进的全空化模型，针对可压缩流，内有声速处理(fluent improved full cavitation model for compressible flow, there are the speed of sound processing)

利用遗忘因子递推最小二乘法做的参数估计，介绍还算详尽(Forgetting factor recursive least squares method using the parameter estimates do)

这是一段杆塔建模的命令流，可用于ansys有限元分析(This is a tower of order flow modeling, finite element analysis can be used to ansys)

运用MATLAB软件做三元一次、三元二次及最小二乘法的数据仿真(MATLAB software for the ternary once Quadratic least squares method of data simulation)