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using dbscan to clustering in matlab

求N个字符的不重复排列数，不是标准的递归写法，供求职时笔试参考。(Seek N-character array of non-repetition number, not an ordinary recursive formulation for the job when the written reference.)

说明：  遗传算法的一些实现案例，包括函数优化，目标分配等问题(Some implementation cases of genetic algorithm, including function optimization, target assignment and so on)

Matlab时频分析工具箱,希望能对大家有所帮助啊 (Time-Frequency Analysis Matlab Toolbox, hoping to be helpful for all of us ah)

a sample of impelementation Association Rule method of Data mining

利用双线性变换法设计Chebyshev高通滤波器，体会其性质和特点。(Bilinear transform Chebyshev high-pass filter design, understand the nature and characteristics.)

最新最全的SCI目录（大类加小类，齐全）(The newest polycysic SCI directory categories and subcategories complete )

With HS conjugate gradient method for solving unconstrained problem

时域lms算法的MATLAB源代码，对输入信号加入高斯白噪声后进行消噪处理。(Time domain LMS algorithm MATLAB source code, the input signal to join the Gauss white noise.)

UWB，超宽带信号分析必用的子函数，第7部分！(UWB, ultra-wideband signal analysis will be used for Functions, Part 7!)