chap12_Wavelet-transform

梯度下降（可视化,两个例子），对于初学者来说有用。(Gradient Descent（visualization，two examples）)

一个关于降维方法的matlab工具包，包含25种常用降维技术的源码(A matlab toolkit on dimensionality reduction method，containing 25 commonly used source dimension reduction techniques)

末制导环境下的最优制导设计，并进行了仿真。以视线角率为优化指标。(Homing optimal guidance design environment, and simulation. Angle to the line of sight was optimized index.)

将newmark算法和牛顿威尔逊算法综合起来，结合两种算法的优势求解一般性动力学方程，线性和非线性都可以。(The Newmark algorithm and Newton Wilson algorithm are combined to solve the general dynamic equation, both linear and non-linear.)

非线性滤波UKF的一些常见函数及实现方法等等。方便学习和使用(Some common function and realization method of the nonlinear filtering UKF)

用Excel Link实现Excel与Matlab混合编程，自相关与互相关(Excel and Matlab Excel Link and self-and cross correlation)

这是一个使用背靠背式PWM转换器提供隔离负载的变速翼式涡轮双馈感应发电机(This is a back-to-back PWM converter provides isolation load variable speed wing turbine doubly fed induction generator)

说明：  通过求矩阵特征多项式的根来求其特征值 幂法求矩阵的主特征值及主特征向量 瑞利商加速幂法求对称矩阵的主特征值及主特征向量 收缩法求矩阵全部特征值 收缩法求矩阵全部特征值 位移逆幂法求矩阵离某个常数最近的特征值及其对应的特征向量 QR基本算法求矩阵全部特征值 (Characteristic polynomial by the root of a matrix to find the eigenvalues ​ ​ of a matrix power method and the main characteristics of the main features of the value of acceleration power vector Rayleigh quotient method Symmetric Matrix Eigenvalue and the main characteristics of the main vector of contraction method to shrink the value of all the characteristics of a matrix Law of the value of all the characteristics of a matrix inverse power law shift away from a constant of a matrix eigenvalue recently and its corresponding eigenvector matrix QR algorithm for getting all the characteristics of the basic values)

SIMULATION OF REGULATION PROBLEM

混凝土单轴滞回本构 钢筋滞回本构 可用于ABABQUS子程序材料(concrete02 and steel02 for ABAQUS)