chengjichaxun

convolution with overlap-add procedure

对控制装置及仪表的控制系统进行仿真，并给出性能分析(Control devices and instrumentation control system simulation and performance analysis is given )

step response in RC filter

HYMAP Generates abundance fractions with Dirichlet statistics distributions

某校60名学生的一次考试成绩如下： 某校60名学生的一次考试成绩如下： (93 75 83 93 91 85 84 82 77 76 77 95 94 89 91 88 86 83 96 81 79 97 78 75 67 69 68 84 83 81 75 66 85 70 94 84 83 82 80 78 74 73 76 70 86 76 90 89 71 66 86 73 80 94 79 78 77 63 53 55 1)计算均值、标准差、极差、偏度、峰度，画出直方图； 2)检验分布的正态性； 3)若检验符合正态分布，估计正态分布的参数并检验参数 (1)计算均值、标准差、极差、偏度、峰度，画出直方图； 2)检验分布的正态性； 3)若检验符合正态分布，估计正态分布的参数并检验参数(60 students of a school examination results of the first as follows: (1) calculating the mean, standard deviation, very poor, skewness, kurtosis, draw histogram 2) test of normality of distribution 3) If the test in line with normal distribution, it is estimated that the normal distribution parameters and test parameters)

这是数学专业的数学建模的课程设计，很有用啊，希望大家踊跃下载啊(This is the mathematical modeling mathematics curriculum design, very useful, ah, ah hope you actively download)

this code can be used to compute classic harmonic analysis

Parzen窗法，是Parzen的窗口算法，用MATLAB语言编写的，用于随机概率的估计(Parzen window is Parzen window algorithm, using MATLAB language, probability estimates for random)

本程序，可以用了画混淆矩阵，请大家使用，谢谢(This procedure can be painted with a confusion matrix, please use, thanks)

preservation of fine details in the images