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MATLAB Vectors Interpolation

Andrea86Andrea86 Member Posts: 1
Hello everyone,
I need to interpolate a trajectory.
The trajectory is an array with the X and Y coordinates. The problem is that, since it is not a function, there are more that one Y value for each X and vicecersa.
For example:
[1 4
2 5
3 6
4 8
5 10
6 11
7 12
9 11
10 9
9 8
8 7
7 6
7 5
8 5
9 4
11 4
12 4]
I tried to use the function interp1 but it gives me an error because my trajectory is not a function.
Since the position is stored with a frequency of 14 Hz, I have lost some information of the path. This is why I need an interpolation.
Moreover I have also multiple X for the same Y. It means that transpose the X with the Y doesn't help.
How can I do it?
There is a function that interpolates trajectory and not only function?
Is there any function in Matlab that makes the interpolation between vectors?
Thanks in advance to everyone
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