How can I plot time data so that it starts at zero seconds?

2016 7 18
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更新时间：2016 7 20
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I have an uneven time data, and I want to get it to start at t=0 instead of 3.1. Basically, I just want to shift everything over 3.1 seconds. Here is the simple code. (My actual time data is much more complicated but if you can make this work then I can apply it to my data.) Thanks, Noah
time = [3.1 4.2 5.1 6.2];
y = [5 7 4 3];
plot(time,y)

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回答（1 个）

Daniel
Daniel 2016-7-20

0 个投票

Hi Noah,
Have you tried this:
time = time - time(1);

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