BPalgorithm

数学最优问题中，拉格朗日乘数法（以数学家约瑟夫·路易斯·拉格朗日命名）是一种寻找变量受一个或多个条件所限制的多元函数的极值的方法。(In the mathematical optimization problem, the Lagrange multiplier method (named by the mathematician Joseph Luis Lagrange) is a method of finding the extremum of a multivariate function which is restricted by one or more conditions.)

捷联惯导卡尔曼滤波算法初始对准，参考哈工程的硕士写的，效果可以，但是不知道观测量是如何构造的。(Kalman filter algorithm SINS initial alignment, Master of Engineering Reference Kazakhstan write, the effect can be observables but do not know how to construct.)

晶格波尔兹曼方法，D2Q9的Matlab程序.(Lattice Boltzmann method, D2Q9 procedures)

说明：  FFT正变换和逆变换，了解FFT变换的实质(FFT transform and inverse transform is to understand the substance of FFT transform)

FFT源代码 FFT源代码 FFT源代码(FFT source code FFT source code FFT source code)

feap 有限元程序，国外某大学的开源程序(feap finite element program)

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)

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.)

弹性力学问题的边界元—姜弘道,用fortran语言编写的，实例详细(BEM elasticity problems- Jiang Hongdao with fortran language, detailed examples)

三维Hashin准则，分层准则的渐进损伤失效模拟子程序(progress damage evaluation)