How to produce line plot yline for matlab R2018a

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Emilia
Emilia 2021-1-5
评论： madhan ravi 2021-1-5
Hello,
My computer has R2018a old version software, I do not have time to download it.
I want to add in the graph a line in y=260, How to do and there is a special code for it?
Thanks for the helpers
yline(260,'--r','Ground'); %No work

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采纳的回答

madhan ravi
madhan ravi 2021-1-5
编辑：madhan ravi 2021-1-5
Ran in:
Start = 0; % sorry I completely misinterpreted the question xD
End = 1;
Point = 260;
plot(linspace(Start, End, 1e2), repelem(Point, 1e2), '--r')
text(End - .11, Point + .07, 'Ground', 'Color', 'r')
●

更多回答（2 个）

William
William 2021-1-5
It's not really necessary to plot 100 points along the line. The first and last points are enough, as in:
plot([0,1],[260,260],'--r');
madhan ravi
madhan ravi 2021-1-5
Funny thing , i did a file exchange a while ago for passing time, not the efficient one but gets the job done ;)
https://www.mathworks.com/matlabcentral/fileexchange/67603-verlin?s_tid=srchtitle
  2 个评论
madhan ravi
madhan ravi 2021-1-5
编辑：madhan ravi 2021-1-5
Ran in:
start_point = -260/2;
end_point = 260/2;
plot(260*ones(1e2, 1), linspace(start_point, end_point, 1e2), '--r')
●

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