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 Triangle Diagram / Curve fittig
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Evom

2 Posts

Posted - 01/23/2010 :  1:21:16 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hello,

I have a simple problem with origin and I would be very glad for every support. In my triangle I have my some blue points, which in generale present a binodal curve. I would like to do a fitting with origin with the blue points, but I am not able to find the adjustment in origin for a x-y-z diagram.

Thanks for every support.

Merten

larry_lan

China
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Posted - 01/25/2010 :  01:21:29 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi Merten:

We don't support fitting on Ternary Plots.

Thanks
Larry
OriginLab Technical Services
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Evom

2 Posts

Posted - 01/25/2010 :  03:53:14 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
hmmm...When origin is only supporting the drawing of ternary systems, is there another possibility of the fitting in ternary systems? Perhaps with another software?

Thanks
Merten
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larry_lan

China
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Posted - 01/25/2010 :  04:37:44 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Could you tell me what's the model you looking for if you want to fit such plot?

There is a work-around to do interpolation, but we can't fit such curve.

Thanks
Larry

Edited by - larry_lan on 01/25/2010 04:48:26 AM
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kuhess

USA
2 Posts

Posted - 12/18/2017 :  10:11:24 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hello Larry,

normally these fittings are done using certain numerical codes in IMSL libraries. Is it possible to do the same in Origin?

Awaiting your news.

Best regards
Mohd
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Echo_Chu

China
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Posted - 01/03/2018 :  9:54:25 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi, Mohd

I am not sure what numerical codes in your IMSL libraries did. So it is hard to say whether Origin can do the same.

However, in Origin, if you want to fit the ternary data, you can fit the data first and then plot it in ternary diagram.

In addition, you can also create user-define function with codes in external library such as IMSL. Here is a tutorial how to create user-defined function with external library

https://www.originlab.com/doc/Tutorials/UDF-GNU


Echo
OriginLab Technical Service
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