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稀疏表示，使得数据简单看，而且易懂，是流行的一种数据表示方法(Sparse representation，Make the data look simple, but to understand, is one of the popular data representation method)

FFT蝶形运算,C 语言,可有MATLAB M 语言转换实现(FFT butterfly computation, C language, MATLAB M language can be converted to achieve)

右边伸出的bar导航，IOS编程学习源码，很好的参考资料。(Bar navigation right out, learning IOS programming source code, a good reference.)

Bankers algorithm is used to allocate resources to the processes and find whether they are in safe state or not.

this is about matlab code for convolutional codes

iOS中自定义pagecontrol的DEMO，很适用很好(DEMO iOS custom pagecontrol, it applies very well)

产生两不迥频率的信号，并对两信号作复数FFT变换，找出频率为50Hz的信号对其进行能量计算(Two distant signal is not generated frequency, and two signals for complex FFT transform to identify the frequency of 50Hz signal to calculate its energy)

这是用M语言写的程序，模拟猫追耗子的matlab程序(This is written in M language program, ，Matlab program to simulate the cat chased the mouse )

产生两不迥频率的信号，并对两信号作复数FFT变换，找出频率为50Hz的信号对其进行能量计算(Two distant signal is not generated frequency, and two signals for complex FFT transform to identify the frequency of 50Hz signal to calculate its energy)

一个选择器特效大全的例子：KNMultiItemSelector，IOS编程学习源码，很好的参考资料。(A selector effects Guinness examples: KNMultiItemSelector, learning IOS programming source code, a good reference.)