How can I plot an equation to its time lag?

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sergi quintana
sergi quintana 2020-3-29
评论： sergi quintana 2020-3-30
I am using MATLAB to solve an economic model and I would like to plot in a graph consumption in period t+1 and consumption in period t. The equation for consumption is:
where are parameters that I can choose the value but correspond to the sequence defined above. Since I know consumption in period 0, , I can solve for the sequence using a loop. However, I do not know how to plot consumption to its lag in a graph.
Thanks for your help!!
  2 个评论
Image Analyst
Image Analyst 2020-3-29
What does "to its lag" mean? If you want to plot consumption, just use the plot() function after the loop.
sergi quintana
sergi quintana 2020-3-29
As you can see I have a sequence whose values I don't know. I just know the first value of the sequence (Period 0 consumption). I would like to plot the evolution of this sequence with ct+1 on the y-axis and ct on the x-axis. Maybe now is more clear.
Thanks for your interest!

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回答（1 个）

darova
darova 2020-3-29
Use for loops
c(1) = w + (1-b)*(1+r)*a0 + D;
for t = 1:n-1
c(t+1) = (1+r)*(c(t)-ch)*b + ch;
end
plot(1:n,c)
  1 个评论
sergi quintana
sergi quintana 2020-3-30
Thanks for your interest! However, it seems I was not clear with my problem. I would like to plot c(t+1) on y-axis and c(t) on the x-axis. The graph you propose just plots c on the y-axis and time on the x-axis. Maybe now is more clear. Anyway thanks for helping!

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