voc-release5

是数学竞赛的往年考题！！希望对大家有用！！(Mathematics exam in previous years the competition! ! Hope it useful! !)

This function used to calculate PCA of image.

律u律pcm编码 若输入A律PCM编码器的正弦信号为x(t)=sin(1600πt),采样序列为x(n)=sin(0.2πn),n=0,1,2,…,10，将其进行PCM编码，求出编码器的输出码组序列y(n)。 要求：1) 直接采用A律扩展器函数求解上述问题。 2）使用13折线法近似A律PCM 求解上述问题。 3）计算量化误差。(Law a law pcm coding If the input A-law PCM encoder is sinusoidal signal x (t) = sin (1600πt), for the sample sequence x (n) = sin (0.2πn), n = 0,1,2, ..., 10, it will be PCM coding to obtain the coded output code group sequence y (n). Requirements: 1) directly A-law expander function to solve the above problems. 2) using a 13 fold line approximation A-law PCM to solve the above problems. 3) calculating the quantization error.)

设定ARMA模型参数,求所采集到的数据的双谱和特征量（带有测试数据）(Autoagressive Moving Average)

模式识别中AdaBoost算法在matlab中实现(adaboost algorithm)

遗传算法的实现，里面有详细代码的说明，关于选择交叉和变异(The implementation of genetic algorithm, there is a detailed code of instructions, about the selection of crossover and mutation)

增广最小二乘法参数估计，系统辨识，针对含有输出噪声的SISO模型。(Augmented least squares parameter estimation, system identification, aimed at containing the output noise of the SISO model.)

说明：  MatLab工程数学应用 一书的电子版，内容非常实用(MatLab Application Engineering Mathematics electronic version of the book, the content is very practical)

glowworm swarm optimization algorithm matlab(glowworm swarm optimization algorithm)

dopasowanie rozkł adu log-normalnego