dtw2

L-M(Levenberg—Marquardt)是一种非线性最优化里面最常用的方法之一，改方法能快速而准确的逼近收敛值。本文简述了改方法的操作原理和具体运用，如可以方便的用于有约束与无约束最优化的求解。(L- M (Levenberg- Marquardt) is a kind of nonlinear optimization inside one of the most commonly used method, change method can fast and accurate approximation convergence value.This paper briefly describes the operating principle of change method and concrete application, such as easy to solve constrained and unconstrained optimization.)

极坐标形式的牛顿拉夫逊法 数值分析matlab源代码(Polar form of Newton Raphson Numerical analysis matlab source code)

matlab用来计算栋梁策略的代码，根据最经典的JF论文计算的来的(matlab strategy momentual code)

说明：  详述了Matlab中画图的命令及技巧，针对出现的问题进行了说明和逐一演示。(Matlab detailed drawing of the orders and skills, for the problems described, and each presentation.)

模拟地下地层的反射系数的求取方法并研究其与入射角度的关系(Simulate the subsurface reflection coefficient of the strike and to study its relationship with the incident angle )

lansvd分解算法，先对矩阵进行lanczos分解，再进行svd奇异值分解。代码里面含有注释。(lansvd decomposition algorithm, first lanczos the matrix decomposition, then svd singular value decomposition. Code which contains comments.)

can use reference for FACTS APPLICATION

包含Matlab课件及源程序，对Matlab的基本理论和实际中的应用进行描述，有利于MatlaB的自学。(Includes courseware and Matlab source code, the basic theory of Matlab and practical application in the description of the self in favor MatlaB.)

BFGS变尺度法，MATLAB实现，求解函数极值(BFGS variable metric algorithm implemented by MATLAB)

Matlab files of chapter 4 kalman filtering 3 edition of grewal