# line

Line model

Parameter | Description | Units | Default value
--- | --- | --- | ---
scale | Scale factor or Volume fraction | None | 1
background | Source background | cm-1 | 0.001
intercept | intercept in linear model | cm-1 | 1
slope | slope in linear model | Å·cm-1 | 1

The returned value is scaled to units of cm-1 sr-1, absolute scale.

This model calculates intensity using simple linear function

Definition

The scattering intensity \(I(q)\) is calculated as

\[I(q) = \text{scale} (A + B \cdot q) + \text{background}\]

Note

For 2D plots intensity has different definition than other shape independent models

\[I(q) = \text{scale} (I(qx) \cdot I(qy)) + \text{background}\]

Fig. 111 1D plot corresponding to the default parameters of the model.

Source

`line.py`

References

None.

Authorship and Verification

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