adding two ticks to form a horizontal line

2021 6 29
2 个回答
更新时间：2021 6 30
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0 个投票

How do I add two ticks in the plot editor so that it gives me a perfect horizontal straight line?

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回答（2 个）

Jonas
Jonas 2021-6-30

0 个投票

if you want to add a horizontal line to you plot you can use yline. if you want a ytick at that specific value you can write
yline(3.3614);
yticks(unique([yticks() 3.3614]));

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shahriar sowad
shahriar sowad 2021-6-30
编辑：shahriar sowad 2021-6-30
i have written a code for many figures in a single plot,so i have added hold on command a few times ,so where should i add this 2 lines?
at the end of my code?
shahriar sowad
shahriar sowad 2021-6-30
here is my code,
x0=reshape(b',[1,7001]);
t=linspace(0,1,7001);
Y=fft(b);
Yabs=abs(Y);
plot(a,'b');
hold on
x1=reshape(d',[1,7001]);
t=linspace(0,1,7001);
Y1=fft(x1);
Y1abs=abs(Y1);
plot(Y1abs,'g');
hold on
x2=reshape(f',[1,7001]);
t=linspace(0,1,7001);
Y2=fft(x2);
Y2abs=abs(Y2);
plot(Y2abs,'r');
hold on
x3=reshape(h',[1,7001]);
t=linspace(0,1,7001);
Y3=fft(x3);
Y3abs=abs(Y3);
plot(Y3abs,'k');
hold on
x4=reshape(j',[1,7001]);
t=linspace(0,1,7001);
Y4=fft(x4);
Y4abs=abs(Y4);
plot(Y4abs,'y');
hold on
x5=reshape(l',[1,7001]);
t=linspace(0,1,7001);
Y5=fft(x5);
Y5abs=abs(Y5);
plot(Y5abs,'m');
Jonas
Jonas 2021-6-30
yes, add the two lines at the end of your code.
note that you just need one 'hold on' command, this will have the effect that all later plots are added to the current figure
shahriar sowad
shahriar sowad 2021-6-30
it is showing error as undefined function yline

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