how extract two arrays in matlab of unequal length

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This question was flagged by Rik
I have datasets of unequal length, like data file 1 has 47 data points and data file 2 has 649 data points , now i want diffence of these two curves, but I am looking for options , how to extract them.
I am attaching image of the plots.
please guide.
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Rik on 24 Jan 2023
I recovered the removed content from the Google cache (something which anyone can do). Editing away your question is very rude. Someone spent time reading your question, understanding your issue, figuring out the solution, and writing an answer. Now you repay that kindness by ensuring that the next person with a similar question can't benefit from this answer.

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Accepted Answer

Matt J
Matt J on 30 Nov 2022
Yes interp1 to sample the curves at corresponding points. Then you can subtract them freely.
  1 Comment
Matt J
Matt J on 30 Nov 2022
Edited: Matt J on 30 Nov 2022
That shouldn't matter. You can interpolate at the same set of query points Xq,
result = interp1(X1,Y1,xq) - interp1(X2,Y2,xq)

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