# RTtools

**Python3** compliant source code in support of the **rttools
  webservice**; see also: Lambert et al., 2016, Eur. J. Phys. 37(1)

## RT

Library (**RT.py**) including a classic "short characteristics" formal solver
(**formal**) and the **first publicly released** Gauss-SeidelS/SOR formal
solver (**formalGS**) in 1D plane-parallel geometry

## Lambda-Iteration (LI)

see: **li.py**

usage: python (-i) li.py

## Accelerated Lambda-Iteration (ALI)

see: **ali.py**

usage: python (-i) ali.py

## Gauss-Seidel (GS) or SOR methods

see: **gs.py** (and parameter **omega**)

usage: python (-i) gs.py

## Usage

import RT

## Version

**v.1** (python3-compliant, apr. 2020)

## Contact

[frederic.paletou@univ-tlse3.fr](mailto:frederic.paletou@univ-tlse3.fr)

## Bibliography
[Lambert et al., 2015, arXiv preprint](https://arxiv.org/abs/1509.01158)

[Lambert et al., 2016, Eur. J. Phys., 37(1)](https://ui.adsabs.harvard.edu/link_gateway/2016EJPh...37a5603L/doi:10.1088/0143-0807/37/1/015603)

## Associated webservice
[rttools.irap.omp.eu](http://rttools.irap.omp.eu/)

## License
[CC-BY-NC-SA](https://creativecommons.org/licenses/by-nc-sa/4.0/)