complementimage

说明：  W-矩阵置乱，效果比Arnold置乱更好(W-matrix scrambling, it is better than Arnold)

利用投资者情绪指标预判下个月的股指走势，如果指标较高则做多，反之则做空(The use of investor sentiment indicators to predict stock trends next month, if the indicator is to do more higher, and vice versa short)

Implement primitive realloc(3) functionality.

Matlab语言编写的2维粒子群算法进行函数最优化的源代码，并附有AVI视频演示！(2-D particle swarm optimization source code for optimization (with the AVI video!))

说明：  用MATLAB的GUI对SIMULINK的仿真进行调用，并且对仿真参数进行更改(Simulation by SIMULINK with MATLAB GUI on call, and change the simulation parameters)

curvelet的usfft算法，是curvelet最先采用的算法(curvelet the usfft algorithm is the first use of curvelet algorithm)

ofdm signal generation

hessian point detector 是SURF算法中所采用的基于Hessian矩阵进行的特征点检测方法，检测得到椭圆区域。(feature detector)

想保留的成分为cos(2*π*n/3) 带通滤波器，滤除1+cos(2*π*n/3) 的成分，即想保留的成分为cos(π*n/4) 带阻滤波器，滤除cos(π*n/4) 的成分，(Want to keep the ingredients for the cos (2* π* n/3) band-pass filter, filter 1+ Cos (2* π* n/3) of the composition, that is, want to keep the ingredients of cos (π* n/4 ) band-stop filter, filter cos (π* n/4) of the composition,)

设计一个信号发生器,并同时画出信号的时域表 示，自相关函数及功率谱(Design of a signal generator and simultaneously draw the time domain representation of the signal, the autocorrelation function and the power spectrum)