matlab指数增长和阻滞增长拟合代码

代码：t=1:13;*=[3.04,6.63,11.13,28.43,49.22,87.85,134.11,200.00,208.69,303.03,410.73,580.00,728.57];c=[

- 代码： t=1:13; *=[3.04,6.63,11.13,28.43,49.22,87.85,134.11,200.00,208.69,303.03,410.73,580.00,728.57]; c=[0.40,0.97,2.31,4.45,7.63,10.11,19.86,33.44,38.03,75.07,112.08,152.39,226.55]; d=[2.06,2.35,3.17,8.06,15.22,28.82,43.31,54.67,55.83,75.26,102.01,174.05,200.95]; e=[0.54,1.18,1.98,5.06,8.77,15.65,23.89,36.63,37.17,53.98,73.16,123.31,159.78]; %指数增长模型 y=log(*); cc=log(c); dd=log(d); ee=log(e); a=polyfit(t,y,1); h=polyfit(t,cc,1); i=polyfit(t,dd,1); k=polyfit(t,ee,1); r=a(1); r2=h(1); r3=i(1); r4=k(1); *0=e*p(a(2)); *1=*0*e*p(r*t); c0=e*p(h(2)); .z.