一元三次拟合方程\readme.txt ................\ZuiXiaoRChenFa.exe ................\实验\X.txt ................\....\Y.txt ................\最小二乘法\Thumbs.db ................\..........\数据1.bmp ................\..........\数据2.bmp ................\实验 ................\最小二乘法 一元三次拟合方程