中文说明：第一章是利用matlab生成word文档和Excel文档，包括插入图片、表格等；第二章数据的导出与导入，从TXT文件中导入数据，将数据从导出到TXT文件中，dlmrcad、fprintf函数应用；第三章数据的预处理，数据的平滑处理、标准化变换等。
English Description：
The first chapter is the use of MATLAB to generate word documents and EXCEL documents, including inserting pictures, tables, etc.; the second chapter is the export and import of data, import data from the txt file, export data from the txt file, dlmrcad, fprintf function application; the third chapter is the data preprocessing, data smoothing, standardized transformation, etc.