GM(1-1)

  全国研究生数学建模大赛，PM2.5问题。采用灰色理论GM(1，1)模型实现地区PM2.5的预测，内含真实数据文件。(The Graduate School of mathematical modeling contest, PM2.5 problem. By using the grey theory GM (1, 1) model to realize the prediction of area PM2.5, with real data file.)

GM(1,1)
.......\huisejianmo.m,3047,2013-09-21
.......\mainHUA.m,3550,2013-09-21
.......\trend.m,360,2013-09-21
.......\xinchengdaixiemain.m,3002,2013-09-21
.......\兴庆归一化72.txt,5110,2013-09-21
.......\武汉地区PM2.5数据.txt,1406,2013-09-21
.......\预测使用数据.xls,34816,2013-09-21
.......\高压开关厂60组.txt,936,2013-09-21