| T O P I C R E V I E W |
| akhan321 |
Posted - 04/01/2018 : 04:45:53 AM
Hi. I'm using Origin to find area under the curve of my Cyclic Voltammetry data. I have used gadgets tool but I don't know if this is really the area under my curve or not. Attached is the snapshot of the file after integrating. My questions are: 1) is the area shown above the graph the area of the black region? 2) What does the gray region showing?
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| 5 L A T E S T R E P L I E S (Newest First) |
| akhan321 |
Posted - 04/03/2018 : 03:37:09 AM
I tried to use area of polygon but I still can't find the correct area. I'm now using data from a commercial capacitor whose capacitance I already know so i can refine my practice. The formula I'm using is the standard formula used in every paper world wide.  |
| Hideo Fujii |
Posted - 04/02/2018 : 11:52:19 AM
Hi akhan321,
You can try "Analysis: Math: Polygon Area" menu, if you want to calculate the area within the
hysteresis curve.
--Hideo Fujii
OriginLab |
| yuki_wu |
Posted - 04/02/2018 : 04:50:09 AM
Hi,
If the plot is made up of two curves, you should take one curve as the baseline and then integrate another curve with this baseline. This is mentioned in Section 4 of this page:
https://www.originlab.com/doc/Tutorials/Integrate-Gadget
If the plot is an enclosed plot, you could calculate the area of this plot region by Analysis: Mathematics: Polygon Area.
Regards,
Yuki
OriginLab
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| akhan321 |
Posted - 04/02/2018 : 02:57:54 AM
I couldn't find what I was looking for in the above links. I tried playing around with the options in the integrate gadgets dialog box but I still couldn't find the data of my curve. |
| yuki_wu |
Posted - 04/01/2018 : 11:35:07 PM
Hi,
1) No. The area shown on the top is the area of the grey part.
2) Refer to the first answer.
I think you should go through these pages, then you could find out how to calculate the area you want to know:
https://www.originlab.com/doc/Origin-Help/Gadget-Integration
https://www.originlab.com/doc/Tutorials/Integrate-Gadget
Regards,
Yuki
OriginLab
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