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integration [Fri Oct 22 13:02:04 2010] Gray |
integration [Thu Jan 14 17:20:17 2021] (current) Alexander |
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- | ====== Integration | + | ====== Integration ===== |
- | Open Table or Figure or Plot with initial data and select '' | + | Open Table or Figure or Fit Plot with initial data and select '' |
- | | {{:integr1.png|Integrate table columns dialog}} | {{: | + | {{:integrate.png?nolink|}} |
===== Baseline Correction ===== | ===== Baseline Correction ===== | ||
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In such case the algorithm may be the following: | In such case the algorithm may be the following: | ||
- Create Fit Plot with your initial table data | - Create Fit Plot with your initial table data | ||
- | - Add a Fit Curve which simulates the baseline. Usually it is '' | + | - Add a Fit Curve which simulates the baseline. You may specify |
- Specify Fit Interval so that it contains only noise points | - Specify Fit Interval so that it contains only noise points | ||
- Fit the data by clicking '' | - Fit the data by clicking '' | ||
- | - Subtract the baseline fitting curve from data by checking '' | + | - Subtract the baseline fitting curve from data by checking '' |
- | - Use menu '' | + | - Use menu '' |
- | ===== Formula | + | ===== Algorithm |
To perform integration you should specify two columns: //x// and //y//. Missing values are ignored. | To perform integration you should specify two columns: //x// and //y//. Missing values are ignored. | ||
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===== See Also ===== | ===== See Also ===== | ||
+ | * [[processing]] | ||
* [[Differentiation]] | * [[Differentiation]] |