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How do I extrapolate a point from a generated graph.

Asked by Cheng-Han Yang on 21 Apr 2019
Latest activity Commented on by Star Strider
on 21 Apr 2019
So this is the question
The velocity (ms-1) of a car is measured every minute for 24 minutes and recorded as:
vel = [0 .45 1.79 4.02 7.15 11.18 16.09 21.90 29.05 29.05
29.05 29.05 29.05 22.42 17.9 17.9 17.9 17.9 14.34 11.01 8.9
6.54 2.03 0.55 0];
How long did the object take to pass 250m?
I have successfully generated a time against cummulative distance graph, but I'm stuck now.
Many thanks

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1 Answer

Answer by Star Strider
on 21 Apr 2019
 Accepted Answer

The easiest way is to use the interp1 (link) function to get the time when the car has travelled 250m.

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