cal_variance

Nermark-Beta method for calculating the structural responce

说明：  matlab 智能识别及报告说明和源程序(matlab )

echo cancellation adaptive filter

模式识别与机器学习最新版本，很经典的一本书，适用于初学者学习。(Pattern recognition and machine learning the latest version of the classic book, suitable for beginners to learn.)

matlab canny算子。自己编写。(matlab canny operator)

最优化计算一书中整数规划源代码，已测试验证，可直接运行！(Optimization Calculation of integer programming source code of a book, testing and certification, can be directly run!)

mirroring an image using only the loops

线性相关 求逐月异常序列x(n,12)和y(n,12)(n是年)的相关系数r(24)，其中j=1～12是1～12个月的情形，13～22是冬、春、夏、秋、冬季逐月、春季逐月、夏季逐月、秋季逐月、逐月、年、冬半年逐月（NDJFMA）、夏半年逐月（MJJASO）的序列的情形。(Linearly related to demand monthly abnormal sequence x (n, 12) and y (n, 12) (n is the year) the correlation coefficient r (24), where j = 1 ~ 12 1 ~ 12 months is the case, 13 22 is a winter, spring, summer, autumn and winter month by month, month by month in spring, summer, month by month, the monthly fall, month by month, year, month by month in winter (NDJFMA), summer half year monthly (MJJASO) the sequence circumstances.)

zenink 拟合，在光学面型仿真方面能真实的反映面型的微观形貌！(zenink fitting, simulation aspects of the optical face can reflect the real microstructure of face!)

it is program for chossing the value of lambda