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说明：  ec627 speech processing course programs lab2

基于双线性插值方法的图像缩小、放大程序，原创(Bilinear interpolation method based on image reduction, enlargement program, originality)

鲍威尔的介绍及相关知识,包括基本的算法和改进的算法 (Powell introduction and related knowledge including basic algorithm and improved algorithm)

k近邻算法源代码，用matlab语言编写的，适用于分类及相关问题的分析(K neighbor algorithm source code, written with matlab language, suitable for classification and analysis of the related problem)

说明：  大地电磁magnetotelluric数据NLCG反演预处理及后处理(magnetotelluric data NLCG inversion pre- & post- processing)

非线性控制，在matlab中进行二阶对象的非线性仿真，研究其阶跃响应。(non-linear control)

Kalman滤波程序,在一维的数据上，观看滤波后估计值与预测值之间的差距。(Kalman filtering)

本源码是一个用Matlab7.1实现的BP网络的源代码 ，他实现了基本的BP网络算法。(The source is a Matlab7.1 achieved using BP network s source code, he realized the basic BP network algorithm.)

the theorem that the order of each subgroup of a finite group is a factor of the order of the group.

说明：  层次分析法求解,这是个MATLAB中可以直接运行，输入判断矩阵，即可求解(AHP method, this is a MATLAB can be run directly, enter the matrix, can be solved)