For loop formula and graphing problems

Question

Todd 2013-11-9

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/105503-for-loop-formula-and-graphing-problems

评论： Todd 2013-11-9

So I'm trying to plot the code below, and when I run the m file it simply gives me a blank graph with a y axis that only goes from 99-100. In addition running the for-loop by itself gives me 100 replicates of the results.

What do I need to do to fix this?

 A=[0 0 .42   
    .6 0 0
    0 .75 .95];
B=[42        
    0
    95];
 for i = [1:100]
    Nt(:,i) = (A^i)*B               
 end
 plot(Nt(:,i),i)
title('American Buffalo Population')
ylabel('Time (years)')
xlabel('Population')
subplot(3,1,1);plot (Nt(1,:))
subplot(3,1,2);plot (Nt(2,:))
subplot(3,1,3);plot (Nt(3,:))