phi_euler

跳频图案是跳频通信成功的基础，本代码计算了r=15时的m序列优选对，通过找到m序列的特征相位，模2得到了平衡Gold序列(Frequency hopping patterns is fundamental to the success of frequency-hopping communication, the code calculated the r = 15 when m sequence optimization right, by finding the characteristics of m sequence phase, mode 2 has been balanced Gold sequences)

随机信号仿真，仿真了信号在高斯白的情况下经过低通和带通滤波器的情况。(Random signal simulation, simulation of the signal in the case of white Gaussian low-pass and band-pass through the filter of the situation.)

multivariating gaussian density

本程序演示了一端固定的弦的振动过程，这一振动过程由波动的偏微分方程的级数解确定。(Demostration for wave equation)

斯坦福大学的原始对偶内点法软件包,权威之作！(primal dual interier point algorithm)

一个在Simulink环境下，对Elman神经网络用于峰值检波的一个仿真，里面含有详细的仿真过程及结果，包括对Elman神经网络的训练结果。(One in the Simulink environment, Elman neural network simulation for a peak detector, which contains detailed simulation process and results, including the results of Elman neural network training.)

计算关联度，本方法使用的是归一化的方法，和传统的经典关联度计算方法相比较，增加了对各个权重的分析和计算，使结果更加有说服力。(Correlation calculation, this method uses the normalized method, and the traditional classical correlation method compared to an increase of weights of the various analysis and calculations makes the results more convincing.)

说明：  双曲型方程组的理论基础，包括守恒型方程组、非守恒型方程组的理论基础(The theory of hyperbolic basis, including the conservation equations, equations of non-conservative theory)

求解三体问题，并画动态图像。同时含有解释三体问题的pdf文件(Solving the three-body problem, and draw a dynamic image. Also contains a pdf file explaining the three-body problem)

jade algorithm for extration of features