dianzu1.m

数学建模与数学实验（第3版）课件+matlab

t=[20.5 32.5 51 73 95.7];
r=[765 826 873 942 1032];
aa=polyfit(t,r,1);
a=aa(1)
b=aa(2)
y=polyval(aa,t);
plot(t,r,'k+',t,y,'r')