interpolating from a 3D structure

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Erfanandoaut
Erfanandoaut 2025-1-5
编辑： Erfanandoaut 2025-1-25
Hi all
I have three vectors, named X,Y, and Z, related to the coordinates of a structure and also a vector named W showing the displacement of each node. My structure using scatter3 is like this. I'm gonna interpolate it to obtain an 3D image. How should I interpolate such an irregular shape?

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Gayathri
Gayathri 2025-1-5
Hi @Erfanandoaut,
I understand that you want to perform interpolation on a 3-D dataset of scattered data. For this purpose you can use the "scatteredInterpolant" function in MATLAB. You can use the below command to open an example of 3-D interpolation using the "scatteredInterpolant" function.
openExample('matlab/ScatteredInterp3DExample')
We can also select the appropriate interpolation method required using this function.
For more information on "scatteredInterpolant" function, please refer to the documentation link below.
https://www.mathworks.com/help/matlab/ref/scatteredinterpolant.html
Hope this helps!

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