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How do I plot a horizontal line

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Alex Vasin
Alex Vasin 2019-4-9
回答： madhan ravi 2019-4-9
s=0.5:0.001:1;
f=yline(0.25);
plot(s,f)
How do I get this to produce a horizontal line at y=0.25 for the interval 0.5 <= s <= 1? Every time I run the script I get a blank graph.
Thanks

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采纳的回答

KSSV
KSSV 2019-4-9
s=0.5:0.001:1;
f=repmat(0.25,1,length(s));
plot(s,f)

更多回答（1 个）

madhan ravi
madhan ravi 2019-4-9

Using plot here is pointless when you can directly:

yline(.25)
xlim([.5,1])

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