Turning a time-based X-axis into equal percentages

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Michael 2015-2-17

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https://ww2.mathworks.cn/matlabcentral/answers/178934-turning-a-time-based-x-axis-into-equal-percentages

回答： Michael 2015-2-18

Much of the data I work with are forces over time. Unfortunately, time is never the same between two trials (see attached photos). I would like to take this time data and divide it into 10 equal blocks from start to finish (i.e., 0-10%, 10-20%, 20-30%,.......90-100%). This way I can compare what happens between trials. Any suggestions?

As a secondary question, I am interested in getting specific values out of these percentage blocks (i.e., max between 20-30%). Thoughts?

Thank you for all of your help.

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Sara 2015-2-17

If t is time, I assume now you're doing something like plot(t,x). You could replace that with plot(t/t(end)*100,x). Now the x-axis is in % of total time. To have bins (i.e., one value representative of an interval), you could average all the data in the specific interval. Is that what you want?

Michael 2015-2-18

Thank you Sara. I was able to get my x-axis scaled from 0-100%, but I am having trouble putting these in sub-bins. I am trying to find a value (let's say mean) on another line between percentage bins (see picture).

Thank you so much

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