how can i fit smooth curve through these points ?

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dear all
i have data point like below and i want to fit smooth curve (interpolate) through these point
i use curve fitting toolbox for 2D data point and it works fine but when i want to use it with 3D data point i receive surface instead of curve
and i really appreciated if i could do this with cod instead of using tool box

Accepted Answer

John D'Errico
John D'Errico on 16 Feb 2018
Edited: John D'Errico on 16 Feb 2018
xyzint = interparc(100,x',y',z','spline');
grid on
box on
hold on
No "toolbox" required. But you will need interparc.
Could you write the code yourself? Of course. Interparc is just one function. Not even that complicated.

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