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This function performs "region growing" in an image from a specified seedpoint (x,y)

说明：  使用遗传算法实现交换机的分组调度，从而可以提高交换效率，减小时延抖动以及时延(The use of genetic algorithm for packet scheduling switch, which can improve the exchange efficiency, reducing the delay jitter and delay)

可以把彩色RGB影像分別抓出R,G,B 可以把彩色RGB影像分別抓出R,G,B(可以把彩色RGB影像分別抓出R,G,B)

EOF 计算时空场X的EOF前10个模态.每个空间型的方差解释率 对应的时间系数 (特征向量)的特征值(EOF space field X, calculating the first 10 EOF modes. Each space type of variance explained by the corresponding time coefficients (eigenvectors) and eigenvalues)

用simulic编写了生成信号 很详细很好用呢(singal simulic)

根据自己的需求随意作出二维曲线图，只需要用鼠标在坐标系中点击即可。(Free to make a two-dimensional graph according to their own needs, just use the mouse to click in the coordinate system can be.)

求矩阵特征值和特征向量的算法：QR算法。用于线性方程组的求解，和反幂法算法的设计(Matrix eigenvalues and eigenvectors of the algorithm: QR algorithm. For linear equations, and anti-power-law algorithm design)

point rotation using Quaternion. implementation in matlab. Program is a tool to rotate poin in Cartesian coordinates in three dimensions about any angle. Run moje2.m

matlab dsp中函数downsample和upsamplec代码(matlab dsp functions in downsample and upsamplec code)

说明：  电离层射线追踪模型：计算射线在电离层中的传播路径(Ionospheric ray tracing model: calculating ray paths in the ionosphere)