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 calculations w/ minimum x value in Quick fit tool

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T O P I C    R E V I E W
thunderboy Posted - 06/01/2016 : 11:54:59 AM
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.
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AmandaLu Posted - 06/02/2016 : 05:19:36 AM
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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