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 calculations w/ minimum x value in Quick fit tool		  New Topic  Reply to Topic
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thunderboy

2 Posts
Posted - 06/01/2016 :  11:54:59 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver. 2015

Hi all. I am applying an Double Exponential Curve Fit using the QuickFit Tool. Is there any possibility to output the value of the 1st derivative at the minimum x of the chosen fit window, for instance as a derived Parameter? Since I have several curves in the plot, it is not possible to specify a certain column for that.
I have the formula for the derivative itself, but need to insert the x value, which is different for every curve. Thank you for any help.

AmandaLu

439 Posts
Posted - 06/02/2016 :  05:19:36 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi thunderboy,

Origin cannot have X values in derived parameter. You can consider showing X value range in the report so that you can find the minimum X value easily. Then use Set Column Values to calculate the derivative.



Thanks,
Amanda
OriginLab Technical Service
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