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The methods of Otsu used to tresholding image. this code build it. you can use it to treshold image is easy

matlab 中求besselj导数的根，可以根据需要，改变输入值得到不同的根 ( seek besselj derivative of the root in matlab. you may change the input to found the different answer.)

conventional OFDM for LTE-A

混沌理论教材，从不同的角度处理数据，利用最小二乘法消除线性趋势，结果好于差分方法。(Chaos theory textbooks, processing data a different angle, eliminating the use of least squares linear trend, the result is better than the differential method.)

直流电机的起动，制动，调速。其中含有各个部分的matlab仿真模型。(DC motor starting, braking, speed. Which contains various parts of matlab simulation model.)

To find the contrast of an image locally.

说明：  传感器阵列波束优化设计与应用书籍的第三章matlab程序(Chapter III matlab program of book Sensor array beam optimization design and application)

kalman滤波与粒子滤波比较！跟踪slam(Comparison of kalman filter and particle filter! Tracking slam)

matlab平台的一段通过一个字符控制关机、注销和重启的函数，包含取消功能。(A section of the MATLAB platform controls shutdown, logout and restart functions through a character, including cancellation functions.)

关于matlab的基本入门书籍，适合于初学者入门，很经典很强大(About the matlab the basic entry-books, suitable for beginner, very classic, very powerful)