matlab 的回归分析的源码

				t=1/30:1/30:14/30;
				 s=[11.86 15.67 20.60 26.69 33.71 41.93 51.13 61.49 72.90 85.44 99.08 113.77 129.54 146.48];
				
				[p,S]=polyfit(t,s,2)
				
				
				Y=polyconf(p,t,S)
				plot(t,s,'k+',t,Y,'r')