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经济学的数值方法 配套例题以及习题答案的有关牛顿法 最速下降优化的部分。(Newtown methods)

英文版本的关于反馈fxlms算法在主动降噪中的使用，很不错的一个pdf(Feedback fxlms English version of the algorithm on the use of active noise reduction, very good one pdf)

数字下变频器的matlab仿真，包括基带信号的调制，然后经过混频模块、CIC模块、FIR模块最后得到基带信号的过程。很多地方都批有详细的注释，很容易理解。(Digital down converter matlab simulation, including the modulation baseband signal, and then after mixing module, CIC module, FIR module finally get baseband signal process)

傅里叶级数和吉布斯现象的小程序，初学者可以观察吉布斯现象(Fourier series and gibbs phenomenon of small procedures, beginners can observe the gibbs phenomenon )

说明：  Parzen窗估计法的C语言代码和Matlab应用的动态链接库。(Parzen window estimation method of C language code and Matlab applications, dynamic link library.)

模拟光在具有PT-symmetry 的固体结构里的传播，这是当前一个非常前沿的研究领域(The analog light in the spread of the solid structure of the PT-symmetry, which is a very cutting-edge research areas)

模糊综合评判计算程序 模糊综合评判的过程：1、灰色关联分析，求权重（程序见Relation）；2、模糊聚类分析，划分等级（程序见F_class）；3、隶属度计算，求隶属函数（程序见Subjection和subject）；4、模糊综合评判，计算各单元等级（程序见F_judge）。(Fuzzy comprehensive evaluation matlab code The process of fuzzy comprehensive evaluation: 1. Grey relational analysis to get weight (see Relation for program); 2. Fuzzy clustering analysis to divide ranks (see F_class for program); 3. Membership degree calculation to get membership function (see Subjection and subject for program); 4. Fuzzy comprehensive evaluation to calculate each unit grade (see F_judge for program).)

This tutorial deals with the rootfinding, interpolation, numerical differentiation and integration and numerical solutions of the ordinary differential equations.

matlab实现D2D链路仿真 对小区中的D2D链路进行单工双工划分，并计算链路长度。改变链路距离和发射功率，研究链路分组情况(Matlab implementation of D2D link simulation Simplex duplex division of the D2D link in the cell, and calculate the length of the link. Link distance and transmit power are changed, and link grouping is studied)