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 Graph with all points connected by a smooth line
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Shaydone

France
2 Posts

Posted - 10/20/2022 :  3:23:50 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hello,

I am trying to plot a graph with a smooth curve going through all the points (like excel propose by default). I usually use a B-Spline to connect all my points, however for this graph I have a point that is a bit "out" and my curve is not going through it (I added a picture to show you).
Do you know how I can connect all my points with a smooth curve please?




Thank you for your help,
Shaydone

Origin Ver. and Service Release (Select Help-->About Origin): Origin Pro 2017 (64bit) SR1
Operating System: Windows 10

Edited by - Shaydone on 10/20/2022 3:24:21 PM

snowli

USA
1427 Posts

Posted - 10/20/2022 :  3:35:20 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Maybe you can check other connection methods to see if some will work better for your data.

Or you can do Analysis: Signal Processing: Smoothing, or Analysis: Mathematics: Interpolation to create a denser data. Plot current plot as scatter while plot the denser data as line.

Thanks, Snow
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YimingChen

1665 Posts

Posted - 10/20/2022 :  3:35:44 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Can you connect with Spline?
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Shaydone

France
2 Posts

Posted - 10/21/2022 :  08:24:35 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hello,

It worked well with the interpolation. Thank you!


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