画出给定点的网络图，点是给出的，但是要将它们给连接起来，一个点可能会与多个点进行连接，普通的plot画图，带入坐标是行不通的。该程序解决了这个问题。-Making picture of various point by line .

通过C++配合图像处理软件CVI，对图像进行水印处理，完成了对图像嵌入水印，提取水印。以及运用matlab对水印图像的鲁棒性进行验证-cooperating with C++ and a software called CVI,making the watermark into a picture and pick the watermark up the picture which had been watermarked,and checking the robustness of the