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<h1>sasmodels<a class="headerlink" href="#sasmodels" title="Permalink to this headline"></a></h1>
<p>Small angle X-ray and Neutron scattering (SAXS and SANS) examines the
scattering patterns produced by a beam travelling through the sample
and scattering at low angles.  The scattering is computed as a function
of reciprocal space <span class="math">\(q\)</span>, which arises from a combination of beam wavelength
and scattering angles. Each pixel on the detector corresponds to
a different scattering angle, and has a distinct <span class="math">\(q_x\)</span> and <span class="math">\(q_y\)</span>. If the
sample is unoriented, the scattering pattern will appear as rings on the
detector.  In this case, a circular average can be taken with 1-dimension
data at <span class="math">\(q = \surd (q_x^2 + q_y^2)\)</span> compared to the orientationally
averaged SAS scattering pattern.</p>
<p>The sasmodels package provides theory functions for small angle scattering
calculations for different shapes, including the effects of resolution,
polydispersity and orientational dispersion.</p>
<table class="docutils field-list" frame="void" rules="none">
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<tr class="field-odd field"><th class="field-name">Release:</th><td class="field-body">0.97</td>
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<tr class="field-even field"><th class="field-name">Date:</th><td class="field-body">Jan 05, 2018</td>
</tr>
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<p>Download pdf version <a class="reference external" href="SASModels.pdf">here</a></p>
<div class="toctree-wrapper compound">
<ul>
<li class="toctree-l1"><a class="reference internal" href="guide/index.html">SAS Models Guide</a><ul>
<li class="toctree-l2"><a class="reference internal" href="guide/intro.html">1. Introduction</a></li>
<li class="toctree-l2"><a class="reference internal" href="guide/install.html">2. sasmodels Setup</a><ul>
<li class="toctree-l3"><a class="reference internal" href="guide/install.html#sasmodels-installation">2.1. sasmodels Installation</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="guide/gpu_setup.html">3. GPU Setup</a><ul>
<li class="toctree-l3"><a class="reference internal" href="guide/gpu_setup.html#opencl-installation">3.1. OpenCL Installation</a><ul>
<li class="toctree-l4"><a class="reference internal" href="guide/gpu_setup.html#check-if-you-have-opencl-already-installed">3.1.1. Check if you have OpenCL already installed</a></li>
<li class="toctree-l4"><a class="reference internal" href="guide/gpu_setup.html#installation">3.1.2. Installation</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="guide/gpu_setup.html#gpu-selection">3.2. GPU Selection</a><ul>
<li class="toctree-l4"><a class="reference internal" href="guide/gpu_setup.html#device-selection">3.2.1. Device Selection</a></li>
<li class="toctree-l4"><a class="reference internal" href="guide/gpu_setup.html#device-testing">3.2.2. Device Testing</a></li>
<li class="toctree-l4"><a class="reference internal" href="guide/gpu_setup.html#compiler-selection">3.2.3. Compiler Selection</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="guide/pd/polydispersity.html">4. Polydispersity Distributions</a><ul>
<li class="toctree-l3"><a class="reference internal" href="guide/pd/polydispersity.html#rectangular-distribution">4.1. Rectangular Distribution</a></li>
<li class="toctree-l3"><a class="reference internal" href="guide/pd/polydispersity.html#gaussian-distribution">4.2. Gaussian Distribution</a></li>
<li class="toctree-l3"><a class="reference internal" href="guide/pd/polydispersity.html#lognormal-distribution">4.3. Lognormal Distribution</a></li>
<li class="toctree-l3"><a class="reference internal" href="guide/pd/polydispersity.html#schulz-distribution">4.4. Schulz Distribution</a></li>
<li class="toctree-l3"><a class="reference internal" href="guide/pd/polydispersity.html#array-distribution">4.5. Array Distribution</a></li>
<li class="toctree-l3"><a class="reference internal" href="guide/pd/polydispersity.html#note-about-dls-polydispersity">4.6. Note about DLS polydispersity</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="guide/resolution.html">5. Resolution Functions</a><ul>
<li class="toctree-l3"><a class="reference internal" href="guide/resolution.html#slit-smearing">5.1. Slit Smearing</a><ul>
<li class="toctree-l4"><a class="reference internal" href="guide/resolution.html#solution-1">5.1.1. Solution 1</a></li>
<li class="toctree-l4"><a class="reference internal" href="guide/resolution.html#solution-2">5.1.2. Solution 2</a></li>
<li class="toctree-l4"><a class="reference internal" href="guide/resolution.html#solution-3">5.1.3. Solution 3</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="guide/resolution.html#pinhole-smearing">5.2. Pinhole Smearing</a></li>
<li class="toctree-l3"><a class="reference internal" href="guide/resolution.html#d-smearing">5.3. 2D Smearing</a></li>
<li class="toctree-l3"><a class="reference internal" href="guide/resolution.html#weighting-normalization">5.4. Weighting &amp; Normalization</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="guide/magnetism/magnetism.html">6. Polarisation/Magnetic Scattering</a></li>
<li class="toctree-l2"><a class="reference internal" href="guide/sesans/sans_to_sesans.html">7. SANS to SESANS conversion</a></li>
<li class="toctree-l2"><a class="reference internal" href="guide/sesans/sesans_fitting.html">8. Fitting SESANS Data</a><ul>
<li class="toctree-l3"><a class="reference internal" href="guide/sesans/sesans_fitting.html#simple-fits">8.1. Simple Fits</a></li>
<li class="toctree-l3"><a class="reference internal" href="guide/sesans/sesans_fitting.html#incorporating-a-structure-factor">8.2. Incorporating a Structure Factor</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="guide/plugin.html">9. Writing a Plugin Model</a><ul>
<li class="toctree-l3"><a class="reference internal" href="guide/plugin.html#overview">9.1. Overview</a></li>
<li class="toctree-l3"><a class="reference internal" href="guide/plugin.html#create-new-model-files">9.2. Create New Model Files</a></li>
<li class="toctree-l3"><a class="reference internal" href="guide/plugin.html#edit-new-model-files">9.3. Edit New Model Files</a><ul>
<li class="toctree-l4"><a class="reference internal" href="guide/plugin.html#model-contents">9.3.1. Model Contents</a></li>
<li class="toctree-l4"><a class="reference internal" href="guide/plugin.html#model-documentation">9.3.2. Model Documentation</a></li>
<li class="toctree-l4"><a class="reference internal" href="guide/plugin.html#model-definition">9.3.3. Model Definition</a></li>
<li class="toctree-l4"><a class="reference internal" href="guide/plugin.html#model-parameters">9.3.4. Model Parameters</a></li>
<li class="toctree-l4"><a class="reference internal" href="guide/plugin.html#model-computation">9.3.5. Model Computation</a></li>
<li class="toctree-l4"><a class="reference internal" href="guide/plugin.html#python-models">9.3.6. Python Models</a></li>
<li class="toctree-l4"><a class="reference internal" href="guide/plugin.html#embedded-c-models">9.3.7. Embedded C Models</a></li>
<li class="toctree-l4"><a class="reference internal" href="guide/plugin.html#special-functions">9.3.8. Special Functions</a></li>
<li class="toctree-l4"><a class="reference internal" href="guide/plugin.html#problems-with-c-models">9.3.9. Problems with C models</a></li>
<li class="toctree-l4"><a class="reference internal" href="guide/plugin.html#external-c-models">9.3.10. External C Models</a></li>
<li class="toctree-l4"><a class="reference internal" href="guide/plugin.html#form-factors">9.3.11. Form Factors</a></li>
<li class="toctree-l4"><a class="reference internal" href="guide/plugin.html#unit-tests">9.3.12. Unit Tests</a></li>
</ul>
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<li class="toctree-l3"><a class="reference internal" href="guide/plugin.html#test-your-new-model">9.4. Test Your New Model</a><ul>
<li class="toctree-l4"><a class="reference internal" href="guide/plugin.html#minimal-testing">9.4.1. Minimal Testing</a></li>
<li class="toctree-l4"><a class="reference internal" href="guide/plugin.html#recommended-testing">9.4.2. Recommended Testing</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="guide/plugin.html#check-the-docs">9.5. Check The Docs</a></li>
<li class="toctree-l3"><a class="reference internal" href="guide/plugin.html#clean-lint-developer-version-only">9.6. Clean Lint - (Developer Version Only)</a></li>
<li class="toctree-l3"><a class="reference internal" href="guide/plugin.html#share-your-model">9.7. Share Your Model!</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="guide/scripting.html">10. Scripting Interface</a><ul>
<li class="toctree-l3"><a class="reference internal" href="guide/scripting.html#using-sasmodels-through-bumps">10.1. Using sasmodels through bumps</a></li>
<li class="toctree-l3"><a class="reference internal" href="guide/scripting.html#using-sasmodels-directly">10.2. Using sasmodels directly</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="guide/refs.html">11. References</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="guide/models/index.html">1. Model Functions</a><ul>
<li class="toctree-l2"><a class="reference internal" href="guide/models/shape-cylinder.html">1.1. Cylinder Functions</a><ul>
<li class="toctree-l3"><a class="reference internal" href="model/barbell.html">1.1.1. barbell</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/capped_cylinder.html">1.1.2. capped_cylinder</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/core_shell_bicelle.html">1.1.3. core_shell_bicelle</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/core_shell_bicelle_elliptical.html">1.1.4. core_shell_bicelle_elliptical</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/core_shell_cylinder.html">1.1.5. core_shell_cylinder</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/cylinder.html">1.1.6. cylinder</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/elliptical_cylinder.html">1.1.7. elliptical_cylinder</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/flexible_cylinder.html">1.1.8. flexible_cylinder</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/flexible_cylinder_elliptical.html">1.1.9. flexible_cylinder_elliptical</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/hollow_cylinder.html">1.1.10. hollow_cylinder</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/pearl_necklace.html">1.1.11. pearl_necklace</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/pringle.html">1.1.12. pringle</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/stacked_disks.html">1.1.13. stacked_disks</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="guide/models/shape-ellipsoid.html">1.2. Ellipsoid Functions</a><ul>
<li class="toctree-l3"><a class="reference internal" href="model/core_shell_ellipsoid.html">1.2.1. core_shell_ellipsoid</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/ellipsoid.html">1.2.2. ellipsoid</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/triaxial_ellipsoid.html">1.2.3. triaxial_ellipsoid</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="guide/models/shape-lamellae.html">1.3. Lamellae Functions</a><ul>
<li class="toctree-l3"><a class="reference internal" href="model/lamellar.html">1.3.1. lamellar</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/lamellar_hg.html">1.3.2. lamellar_hg</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/lamellar_hg_stack_caille.html">1.3.3. lamellar_hg_stack_caille</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/lamellar_stack_caille.html">1.3.4. lamellar_stack_caille</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/lamellar_stack_paracrystal.html">1.3.5. lamellar_stack_paracrystal</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="guide/models/shape-paracrystal.html">1.4. Paracrystal Functions</a><ul>
<li class="toctree-l3"><a class="reference internal" href="model/bcc_paracrystal.html">1.4.1. bcc_paracrystal</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/fcc_paracrystal.html">1.4.2. fcc_paracrystal</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/sc_paracrystal.html">1.4.3. sc_paracrystal</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="guide/models/shape-parallelepiped.html">1.5. Parallelepiped Functions</a><ul>
<li class="toctree-l3"><a class="reference internal" href="model/core_shell_parallelepiped.html">1.5.1. core_shell_parallelepiped</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/hollow_rectangular_prism.html">1.5.2. hollow_rectangular_prism</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/hollow_rectangular_prism_thin_walls.html">1.5.3. hollow_rectangular_prism_thin_walls</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/parallelepiped.html">1.5.4. parallelepiped</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/rectangular_prism.html">1.5.5. rectangular_prism</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="guide/models/shape-sphere.html">1.6. Sphere Functions</a><ul>
<li class="toctree-l3"><a class="reference internal" href="model/adsorbed_layer.html">1.6.1. adsorbed_layer</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/binary_hard_sphere.html">1.6.2. binary_hard_sphere</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/core_multi_shell.html">1.6.3. core_multi_shell</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/core_shell_sphere.html">1.6.4. core_shell_sphere</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/fuzzy_sphere.html">1.6.5. fuzzy_sphere</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/linear_pearls.html">1.6.6. linear_pearls</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/multilayer_vesicle.html">1.6.7. multilayer_vesicle</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/onion.html">1.6.8. onion</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/polymer_micelle.html">1.6.9. polymer_micelle</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/raspberry.html">1.6.10. raspberry</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/sphere.html">1.6.11. sphere</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/spherical_sld.html">1.6.12. spherical_sld</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/vesicle.html">1.6.13. vesicle</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="guide/models/shape-independent.html">1.7. Shape-Independent Functions</a><ul>
<li class="toctree-l3"><a class="reference internal" href="model/be_polyelectrolyte.html">1.7.1. be_polyelectrolyte</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/broad_peak.html">1.7.2. broad_peak</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/correlation_length.html">1.7.3. correlation_length</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/dab.html">1.7.4. dab</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/fractal.html">1.7.5. fractal</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/fractal_core_shell.html">1.7.6. fractal_core_shell</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/gauss_lorentz_gel.html">1.7.7. gauss_lorentz_gel</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/gaussian_peak.html">1.7.8. gaussian_peak</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/gel_fit.html">1.7.9. gel_fit</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/guinier.html">1.7.10. guinier</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/guinier_porod.html">1.7.11. guinier_porod</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/line.html">1.7.12. line</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/lorentz.html">1.7.13. lorentz</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/mass_fractal.html">1.7.14. mass_fractal</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/mass_surface_fractal.html">1.7.15. mass_surface_fractal</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/mono_gauss_coil.html">1.7.16. mono_gauss_coil</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/peak_lorentz.html">1.7.17. peak_lorentz</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/poly_gauss_coil.html">1.7.18. poly_gauss_coil</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/polymer_excl_volume.html">1.7.19. polymer_excl_volume</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/porod.html">1.7.20. porod</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/power_law.html">1.7.21. power_law</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/rpa.html">1.7.22. rpa</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/spinodal.html">1.7.23. spinodal</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/star_polymer.html">1.7.24. star_polymer</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/surface_fractal.html">1.7.25. surface_fractal</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/teubner_strey.html">1.7.26. teubner_strey</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/two_lorentzian.html">1.7.27. two_lorentzian</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/two_power_law.html">1.7.28. two_power_law</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/unified_power_Rg.html">1.7.29. unified_power_Rg</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="guide/models/structure-factor.html">1.8. Structure Factors</a><ul>
<li class="toctree-l3"><a class="reference internal" href="model/hardsphere.html">1.8.1. hardsphere</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/hayter_msa.html">1.8.2. hayter_msa</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/squarewell.html">1.8.3. squarewell</a></li>
<li class="toctree-l3"><a class="reference internal" href="model/stickyhardsphere.html">1.8.4. stickyhardsphere</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="developer/index.html">Sasmodels Developers Guide</a><ul>
<li class="toctree-l2"><a class="reference internal" href="developer/overview.html">1. Code Overview</a><ul>
<li class="toctree-l3"><a class="reference internal" href="developer/overview.html#computational-kernels">1.1. Computational kernels</a></li>
<li class="toctree-l3"><a class="reference internal" href="developer/overview.html#data-loaders">1.2. Data loaders</a></li>
<li class="toctree-l3"><a class="reference internal" href="developer/overview.html#kernel-execution">1.3. Kernel execution</a></li>
<li class="toctree-l3"><a class="reference internal" href="developer/overview.html#id1">1.4. Kernel execution</a></li>
<li class="toctree-l3"><a class="reference internal" href="developer/overview.html#testing">1.5. Testing</a></li>
<li class="toctree-l3"><a class="reference internal" href="developer/overview.html#model-conversion">1.6. Model conversion</a></li>
<li class="toctree-l3"><a class="reference internal" href="developer/overview.html#other">1.7. Other</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="developer/calculator.html">2. Calculator Interface</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="api/index.html">Reference</a><ul>
<li class="toctree-l2"><a class="reference internal" href="api/__init__.html">1. Sasmodels package</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/__init__.html#module-sasmodels.__init__"><code class="docutils literal"><span class="pre">sasmodels.__init__</span></code></a><ul>
<li class="toctree-l4"><a class="reference internal" href="api/__init__.html#sasmodels">sasmodels</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/bumps_model.html">2. Bumps interface</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/bumps_model.html#module-sasmodels.bumps_model"><code class="docutils literal"><span class="pre">sasmodels.bumps_model</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/compare_many.html">3. Batch compare models on different compute engines</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/compare_many.html#module-sasmodels.compare_many"><code class="docutils literal"><span class="pre">sasmodels.compare_many</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/compare.html">4. Compare models on different compute engines</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/compare.html#module-sasmodels.compare"><code class="docutils literal"><span class="pre">sasmodels.compare</span></code></a><ul>
<li class="toctree-l4"><a class="reference internal" href="api/compare.html#program-description">Program description</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/convert.html">5. Sasview to sasmodel converter</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/convert.html#module-sasmodels.convert"><code class="docutils literal"><span class="pre">sasmodels.convert</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/core.html">6. Model access</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/core.html#module-sasmodels.core"><code class="docutils literal"><span class="pre">sasmodels.core</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/data.html">7. Data layout and plotting routines</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/data.html#module-sasmodels.data"><code class="docutils literal"><span class="pre">sasmodels.data</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/details.html">8. Parameter packing for kernel calls</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/details.html#module-sasmodels.details"><code class="docutils literal"><span class="pre">sasmodels.details</span></code></a><ul>
<li class="toctree-l4"><a class="reference internal" href="api/details.html#kernel-call-details">Kernel Call Details</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/direct_model.html">9. Simple interface</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/direct_model.html#module-sasmodels.direct_model"><code class="docutils literal"><span class="pre">sasmodels.direct_model</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/exception.html">10. Annotate exceptions</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/exception.html#module-sasmodels.exception"><code class="docutils literal"><span class="pre">sasmodels.exception</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/generate.html">11. Model parser</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/generate.html#module-sasmodels.generate"><code class="docutils literal"><span class="pre">sasmodels.generate</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/kernel.html">12. Evaluator type definitions</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/kernel.html#module-sasmodels.kernel"><code class="docutils literal"><span class="pre">sasmodels.kernel</span></code></a><ul>
<li class="toctree-l4"><a class="reference internal" href="api/kernel.html#execution-kernel-interface">Execution kernel interface</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/kernelcl.html">13. OpenCL model evaluator</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/kernelcl.html#module-sasmodels.kernelcl"><code class="docutils literal"><span class="pre">sasmodels.kernelcl</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/kerneldll.html">14. Ctypes model evaluator</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/kerneldll.html#module-sasmodels.kerneldll"><code class="docutils literal"><span class="pre">sasmodels.kerneldll</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/kernelpy.html">15. Python model evaluator</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/kernelpy.html#module-sasmodels.kernelpy"><code class="docutils literal"><span class="pre">sasmodels.kernelpy</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/list_pars.html">16. Identify all parameters in all models</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/list_pars.html#module-sasmodels.list_pars"><code class="docutils literal"><span class="pre">sasmodels.list_pars</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/mixture.html">17. Mixture model evaluator</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/mixture.html#module-sasmodels.mixture"><code class="docutils literal"><span class="pre">sasmodels.mixture</span></code></a><ul>
<li class="toctree-l4"><a class="reference internal" href="api/mixture.html#mixture-model">Mixture model</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/model_test.html">18. Unit test support</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/model_test.html#module-sasmodels.model_test"><code class="docutils literal"><span class="pre">sasmodels.model_test</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/modelinfo.html">19. Parameter and model definitions</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/modelinfo.html#module-sasmodels.modelinfo"><code class="docutils literal"><span class="pre">sasmodels.modelinfo</span></code></a><ul>
<li class="toctree-l4"><a class="reference internal" href="api/modelinfo.html#model-info-and-parameter-tables">Model Info and Parameter Tables</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/product.html">20. Product model evaluator</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/product.html#module-sasmodels.product"><code class="docutils literal"><span class="pre">sasmodels.product</span></code></a><ul>
<li class="toctree-l4"><a class="reference internal" href="api/product.html#product-model">Product model</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/resolution.html">21. 1-D resolution functions</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/resolution.html#module-sasmodels.resolution"><code class="docutils literal"><span class="pre">sasmodels.resolution</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/resolution2d.html">22. 2-D resolution functions</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/resolution2d.html#module-sasmodels.resolution2d"><code class="docutils literal"><span class="pre">sasmodels.resolution2d</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/rst2html.html">23. Convert doc strings the web pages</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/rst2html.html#module-sasmodels.rst2html"><code class="docutils literal"><span class="pre">sasmodels.rst2html</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/sasview_model.html">24. Sasview interface</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/sasview_model.html#module-sasmodels.sasview_model"><code class="docutils literal"><span class="pre">sasmodels.sasview_model</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/sesans.html">25. SESANS calculation routines</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/sesans.html#module-sasmodels.sesans"><code class="docutils literal"><span class="pre">sasmodels.sesans</span></code></a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="api/weights.html">26. Distribution functions</a><ul>
<li class="toctree-l3"><a class="reference internal" href="api/weights.html#module-sasmodels.weights"><code class="docutils literal"><span class="pre">sasmodels.weights</span></code></a></li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
</div>
<div class="section" id="indices-and-tables">
<h1>Indices and Tables<a class="headerlink" href="#indices-and-tables" title="Permalink to this headline"></a></h1>
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<li><a class="reference internal" href="search.html"><span class="std std-ref">Search Page</span></a></li>
</ul>
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