source:
sasmodels/doc/index.rst
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| [8ae8532] | 1 | sasmodels |
| 2 | ========= | |
| 3 | Small angle X-ray and Neutron scattering (SAXS and SANS) examines the | |
| 4 | scattering patterns produced by a beam travelling through the sample | |
| 5 | and scattering at low angles. The scattering is computed as a function | |
| 6 | of reciprocal space $q$, which arises from a combination of beam wavelength | |
| 7 | and scattering angles. Each pixel on the detector corresponds to | |
| 8 | a different scattering angle, and has a distinct $q_x$ and $q_y$. If the | |
| 9 | sample is unoriented, the scattering pattern will appear as rings on the | |
| 10 | detector. In this case, a circular average can be taken with 1-dimension | |
| 11 | data at $q = \surd (q_x^2 + q_y^2)$ compared to the orientationally | |
| 12 | averaged SAS scattering pattern. | |
| 13 | ||
| [19dcb933] | 14 | The sasmodels package provides theory functions for small angle scattering |
| [8ae8532] | 15 | calculations for different shapes, including the effects of resolution, |
| 16 | polydispersity and orientational dispersion. | |
| [19dcb933] | 17 | |
| 18 | .. htmlonly:: | |
| 19 | :Release: |version| | |
| 20 | :Date: |today| | |
| 21 | ||
| 22 | Download pdf version `here <SASModels.pdf>`_ | |
| 23 | ||
| 24 | .. toctree:: | |
| 25 | :numbered: | |
| [7bb290c] | 26 | :maxdepth: 4 |
| [19dcb933] | 27 | |
| 28 | guide/index.rst | |
| [8ae8532] | 29 | guide/models/index.rst |
| [d138d43] | 30 | developer/index.rst |
| [19dcb933] | 31 | api/index.rst |
| 32 | ||
| 33 | Indices and Tables | |
| 34 | ================== | |
| 35 | ||
| 36 | * :ref:`genindex` | |
| 37 | * :ref:`modindex` | |
| 38 | ||
| 39 | .. htmlonly:: | |
| 40 | * :ref:`search` |
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