Create a surface with separate contours from other plots

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I saved one contour from separate surfaces as a matrix of 3xn (each column is x, y and z (elevation)).
I use plot3 for each contour into a new plot window. I wonder if I can obtain a full surface from those contours.
hold on;
1) Contours have different length from each other (e.g., contour1 is 3x15, contour2 is 3x23, contour3 is 3x29).
2) I has this error when I tried to use interp1: Sample points must be unique and sorted in ascending order.
Thanks in advance.
Indira on 13 Jun 2022
Thanks for your comments, John.
I added some data to the question for further assistance. In the meantime, I will have a look on the scatteredInterpolant.
Thanks again!

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Accepted Answer

Bjorn Gustavsson
Bjorn Gustavsson on 13 Jun 2022
Just concatenate all your n-by-3 data into a large many-by-3 array and then check up the help and documentation of scatteredInterpolant. That function will do a triangulation-based interpolation on your data.

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