数学建模中的曲线拟合问题
下面这些数据用什么软拟合呀,
年份GDP
19783645.2
19794062.6
19804545.6
19814891.6
19825323.4
19835962.7
19847208.1
19859016.0
198610275.2
198712058.6
198815042.8
198916992.3
199018667.8
199121781.5
199226923.5
199335333.9
199448197.9
199560793.7
199671176.6
199778973.0
199884402.3
199989677.1
200099214.6
2001109655.2
2002120332.7
2003135822.8
2004159878.3
2005183084.8