Table 1.
Mean relative error (defined in Sect. 4.2) of the mean intensity for a zero-opacity model, obtained using the Lebedev, Gauss-Legendre, and trapezoidal integration method, the latter with nodes from Lobel & Blomme (2008).
| Trapez | Legendre | Lebedev | ||||
|---|---|---|---|---|---|---|
| NΩ | 1037 | 2105 | 968 | 2048 | 974 | 2030 |
 [%] |
12.1 | 8.0 | 14.3 | 9.4 | 11.2 | 7.7 |
 [%] |
11.3 | 10.8 | 10.9 | 10.9 | 10.8 | 10.8 |
Notes. For 
and 
, the incident intensities have been calculated exactly and from the SC method using linear upwind interpolations, respectively.
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