matlab读写文件总结，实现.txt,.dat等多种文件的读写操作，举例说明矩阵读写的要点-Matlab read and write files to summarize, to achieve a variety of file read and write in txt, dat, etc., illustrate the main points of the matrix to read and write

太阳黑子是人类长久以来感兴趣的问题。此处运用matlab代码对太阳黑子的记录的数据进行处理，希望能提供帮助- Using archival records,astronomers have applied Wolfer s rule to determine sunspot activity back to the year 1700. Today the sunspot index is measured by many astronomers and the worldwide distr