xunhuan_toeplitz_juzhen

一种通用的稀疏编码方法，sparse coding，在图像去噪，目标识别等方面有着广泛的应用。(A generic sparse coding, sparse coding, in image denoising, object recognition have a wide range of applications.)

This algorithm solves the otimization problem min_x | y - A x |_2^2 + lambda Phi(x) and has applications in compressed sensing, image restoration and reconstruction, sparse regression, and several other problems.

香农编码 采用matlab编程实现 的程序代码(Shannon coding using matlab programming code)

利用MATLAB对原有声音波形进行加躁，去噪。得出加躁语音频谱图、去噪语音频谱图，以及对应文件。 (The original voice waveform with manic using MATLAB, denoising. The impatient voice spectrum, denoising voice spectrum graph, and the corresponding file.)

这是一个用liblinear进行分类的例子，需要有liblinear环境(Using liblinear to do classification task)

电力系统节点导纳矩阵的形成，在excel中输入对应的阻抗数据，通过matlab生成对应的阻抗矩阵Y阵(Forming a power system node admittance matrix, the input impedance of the corresponding data in excel, and generate the corresponding impedance matrix Y matrix by matlab)

Performance analysis of steganography is done for selecting better wavelet for application by analyzing Peak Signal Noise Ratio(PSNR) of different wavelet families like Haar, Daubechies, Biorthogonal, Reverse Biorthogonal & Meyer wavelet(dmey) on result oriented basis using Matlab environment.

对H矩阵进行高斯消元，另外附加了高斯消元的论文(The H matrix using the Gauss elimination, an additional Gauss elimination of papers)

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matlab中的模拟退火算法，帮您解决研究中的函数优化问题，一点通。(In matlab ，it can revolosion the problem about chath the rightes answer .)