问题描述：
帮我把以下命令在matlab下运行一下,把运行结果发上来!
t=[0.25,0.5,1,1.5,2,3,4,6,8];
c=[ 19.21,18.15,15.36,14.10,12.89,9.32,7.45,5.24,3.01];
y=log(c);
aa=polyfit(t,y,1);
a=aa(1)
b=aa(2)
k=-a
d=300;
v=d/exp(b)
cc=exp(b)*exp(a*t);
plot(t,c,'k+',t,cc,'r')
插上图!
t=[0.25,0.5,1,1.5,2,3,4,6,8];
c=[ 19.21,18.15,15.36,14.10,12.89,9.32,7.45,5.24,3.01];
y=log(c);
aa=polyfit(t,y,1);
a=aa(1)
b=aa(2)
k=-a
d=300;
v=d/exp(b)
cc=exp(b)*exp(a*t);
plot(t,c,'k+',t,cc,'r')
插上图!
问题解答：
我来补答
a = -0.2347b = 2.9943k = 0.2347v = 15.0219
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