中文说明：附件是matlab中执行之后，得到test0-9。test0: 980*784为例，每一行是一个数字的灰度图，执行 请点击左侧文件开始预览 ！预览只提供20%的代码片段，完整代码需下载后查看 加载中 侵权举报
English Description：
After the attachment is performed in MATLAB, get test0-9. Test0:980*784, for example, a number in each row to grayscale, the Executive can see each image looks like.