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说明：  利用matlab来实现求振动振型和固有频率。(Seeking to achieve vibration and natural frequency of vibration.)

MATLAB实现的人脸检测程序 （PCA）方法，内附有详细注释(MATLAB implementation of face detection (PCA) method, enclosed is the detailed comments)

频率估计 1）产生一个单频实信号，加上一定信噪比的噪声。 2）对含噪声的信号进行频率估计。估计方法可以查阅相关文献。 3）统计估计出来的频率和真实频率之间的误差。 4）验证该频率估计算法在不同信噪比、不同数据长度下、不同频率时候的性能。 (Frequency estimation 1) produce a single-frequency real signal, plus a certain SNR noise. 2) noisy signal frequency estimates. Estimation method can access relevant literature. 3) out of the statistical estimation and frequency error between the true frequency. 4) Verify that the frequency estimation algorithm under different SNR, different data length, when the frequency of different properties.)

一个非常有用的二阶锥优化工具箱，用于解决凸优化问题。(A very useful second-order cone optimization toolbox for solving convex optimization problems.)

B样条工具箱，一个非常有用的matlb工具箱 可以很方便的进行样条插值(B-spline toolbox, a very useful matlb Toolbox can easily be spline interpolation)

求解函数最大值的遗传算法Matlab源代码(maximum function for the genetic algorithm source code Matlab)

旋转圆盘的传递矩阵算法计算变厚度圆盘的应力位移(Rotating disk of the transfer matrix algorithm to calculate the stress variable thickness disc displacement)

toi can phan mem nhan dang so lam

这是计算最优路径的Floyd算法在Matlab中的实现程序。(This is the calculation of the optimal path Floyd algorithm in Matlab implementation process.)

Conjugate Gradient Method by Yi Cao