How to plot a horizontal line?

My function is just y=2050 and I need to plot it w/o using "yline", because it's not a graph, actually. I just type this:
x=[0:0.1:110];
y=[0:10:2060];
g=2050;
plot(x,g)
And I don't get anything. Like, completely anything:
And also after that I need to mark a point (100,2050) and be able to make it bigger than my graph.
How do I solve these problems?

 采纳的回答

Great thanks to drummer and darova! I finally have the graph I wanted. Final code:
x=[0:0.1:110];
y=[0:10:2060];
g=2050;
p1=plot(x,g+x*0,"g");
p1.LineWidth=2;
hold on
p2=plot(100,2050,"r*");
p2.LineWidth=15;
xlim([1 110])
Result:

更多回答(2 个)

darova
darova 2020-5-12

1 个投票

Try this

5 个评论

Can't see it clear enough. Could you write it with printed text, please?
Thank you, it looks very nice. How do I mark a point in this graph, though?
Can you make a simple sketch of the result you expect?
I've already got the result I wanted. Thank you!

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drummer
drummer 2020-5-12
编辑:drummer 2020-5-12
y = 0:0.1:110;
x = 2050.* ones(length(y));
plot(y,x)
xlim([1 110])

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