integration

Open Table or Figure or Fit Plot with initial data and select `Processing → Integrate`

menu item.

If your initial data to be integrated contains a baseline (usually constant or linear), you may want to subtract it from data **before** integrating. (A constant baseline will result in linearly growing integral.)

In such case the algorithm may be the following:

- Create Fit Plot with your initial table data
- Add a Fit Curve which simulates the baseline. You may specify a custom equation
- Specify Fit Interval so that it contains only noise points
- Fit the data by clicking
`Fit Sum`

button - Subtract the baseline fitting curve from data by checking
`Baseline`

checkbox in curves list - Use menu
`Processing → Integrate`

to integrate the plotted data without baseline.

To perform integration you should specify two columns: *x* and *y*. Missing values are ignored.

MagicPlot uses trapezoidal rule to compute the integral:

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integration.txt · Last modified: Thu Jan 14 17:20:17 2021 by Alexander

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