Concatenate 2/more graphs into 1 graph

I've a problem to combine 2 graphs into 1 graph. The data is taken from Read EDF file. Then I did the plotting for 2 different graphs. Then I get this graph

if you look at those graphs closely, actually both of them can be concatenated together, so that the second graph on the right started from 10-20, continuing the first graph on the left. But I can't figure it out how to do it. For your info, I also attached the code in here, so that it's clear what I mean. Thank you

tt = edfread('example.edf');
info = edfinfo('example.edf');
fs = info.NumSamples/seconds(info.DataRecordDuration);
recnum = 1;
signum = 1;
t = (0:info.NumSamples(signum)-1)/fs(signum);
y1 = tt.(signum){recnum};
recnum = 2;
signum = 1;
y2 = tt.(signum){recnum};
subplot(1,2,1); plot(t,y1); subplot(1,2,2); plot(t,y2)

Answer 1

[Star Strider]

I do not have your files, however this is straightforward —

t1 = linspace(0, 10, 250);
signal1 = randn(size(t1));
t2 = linspace(0, 15, 250);
signal2 = randn(size(t2));

figure
tiledlayout(1,2)
nexttile
plot(t1,signal1)
nexttile
plot(t2,signal2)

figure
plot(t1, signal1)
hold on
plot(t2+t1(end), signal2)
hold off

I kept them different colours for clarity, and they will be plotted this way by default. It is straightforward to set the colours to be the same.

.

[Edoardo]

by the way, the file can refer to here, the "example.edf" file provided in the MATLAB. Anyway, it already works, thank you :)

[Star Strider]

As always, my pleasure!