How do I keep the x-axis the same?

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Ethan Koproski
Ethan Koproski 2018-3-2
回答： Abraham Boayue 2018-3-3
How can I keep the x-axis the same. I had it from 0-1.8. I found three average points I wanted to plot but when I used the same time it was not the same vector length. I used:
time3 = (0:1/Fs:(length(AvgPoints)-1)*1/Fs);
to get a vector of the same length but it changed it to 0-0.02. Any way I can keep the original x-axis? Here is also the first time command:
time2 = data2.data(:,1)*1/Fs;
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回答（2 个）

Star Strider
Star Strider 2018-3-2
One way:
set(gca, 'XLim',[0 1.8])
Put that set call after the plot call.
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Star Strider
Star Strider 2018-3-2
My set call allowed you to keep the original x-axis range.
This is what you wanted, and it worked.
I have no idea what the rest of your code is doing, since you haven’t posted it.

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Abraham Boayue
Abraham Boayue 2018-3-3
Make sure that your three time vectors have the same length. If you have a time interval between a and b and want the time to have a length N, you can define it like this: t = a: (b-a)/(N-1):b;. Define t1 t2 and t3 in this way. The set(gca, ‘xlim’,[0 1.8]) will not calculate values for this interval, it will only set the axis for that, that’s why you got the narrow graph.

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