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56  <div class="section" id="divcomponent">
57<h1>DivComponent<a class="headerlink" href="#divcomponent" title="Permalink to this headline">¶</a></h1>
58<div class="section" id="module-sans.models.DivComponent">
59<span id="sans-models-divcomponent"></span><h2><a class="reference internal" href="#module-sans.models.DivComponent" title="sans.models.DivComponent"><tt class="xref py py-mod docutils literal"><span class="pre">sans.models.DivComponent</span></tt></a><a class="headerlink" href="#module-sans.models.DivComponent" title="Permalink to this headline">¶</a></h2>
60<p>Provide base functionality for all model components
61&#64;author: Mathieu Doucet / UTK
62&#64;contact: <a class="reference external" href="mailto:mathieu&#46;doucet&#37;&#52;&#48;nist&#46;gov">mathieu<span>&#46;</span>doucet<span>&#64;</span>nist<span>&#46;</span>gov</a></p>
63<dl class="class">
64<dt id="sans.models.DivComponent.DivComponent">
65<em class="property">class </em><tt class="descclassname">sans.models.DivComponent.</tt><tt class="descname">DivComponent</tt><big>(</big><em>base=None</em>, <em>other=None</em><big>)</big><a class="headerlink" href="#sans.models.DivComponent.DivComponent" title="Permalink to this definition">¶</a></dt>
66<dd><p>Bases: <a class="reference internal" href="BaseComponent.html#sans.models.BaseComponent.BaseComponent" title="sans.models.BaseComponent.BaseComponent"><tt class="xref py py-class docutils literal"><span class="pre">sans.models.BaseComponent.BaseComponent</span></tt></a></p>
67<p>Basic model component for Division
68Provides basic arithmetics</p>
69<dl class="method">
70<dt id="sans.models.DivComponent.DivComponent.calculate_ER">
71<tt class="descname">calculate_ER</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.DivComponent.DivComponent.calculate_ER" title="Permalink to this definition">¶</a></dt>
72<dd></dd></dl>
73
74<dl class="method">
75<dt id="sans.models.DivComponent.DivComponent.clone">
76<tt class="descname">clone</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.DivComponent.DivComponent.clone" title="Permalink to this definition">¶</a></dt>
77<dd><p>Returns a new object identical to the current object</p>
78</dd></dl>
79
80<dl class="method">
81<dt id="sans.models.DivComponent.DivComponent.evalDistribution">
82<tt class="descname">evalDistribution</tt><big>(</big><em>qdist</em><big>)</big><a class="headerlink" href="#sans.models.DivComponent.DivComponent.evalDistribution" title="Permalink to this definition">¶</a></dt>
83<dd><p>Evaluate a distribution of q-values.</p>
84<ul>
85<li><p class="first">For 1D, a numpy array is expected as input:</p>
86<blockquote>
87<div><p>evalDistribution(q)</p>
88</div></blockquote>
89</li>
90</ul>
91<p>where q is a numpy array.</p>
92<ul class="simple">
93<li>For 2D, a list of numpy arrays are expected: [qx_prime,qy_prime],
94where 1D arrays,</li>
95</ul>
96<p>qx_prime = [ qx[0], qx[1], qx[2], ....]
97and
98qy_prime = [ qy[0], qy[1], qy[2], ....]</p>
99<p>Then get
100q = numpy.sqrt(qx_prime^2+qy_prime^2)</p>
101<p>that is a qr in 1D array;
102q = [q[0], q[1], q[2], ....]</p>
103<table class="docutils field-list" frame="void" rules="none">
104<col class="field-name" />
105<col class="field-body" />
106<tbody valign="top">
107<tr class="field"><th class="field-name">Note :</th><td class="field-body"><p class="first">Due to 2D speed issue, no anisotropic scattering
108is supported for python models, thus C-models should have</p>
109<blockquote class="last">
110<div><p>their own evalDistribution methods.</p>
111</div></blockquote>
112</td>
113</tr>
114</tbody>
115</table>
116<p>The method is then called the following way:</p>
117<p>evalDistribution(q)
118where q is a numpy array.</p>
119<table class="docutils field-list" frame="void" rules="none">
120<col class="field-name" />
121<col class="field-body" />
122<tbody valign="top">
123<tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><strong>qdist</strong> &#8211; ndarray of scalar q-values or list [qx,qy]
124where qx,qy are 1D ndarrays</td>
125</tr>
126</tbody>
127</table>
128</dd></dl>
129
130<dl class="method">
131<dt id="sans.models.DivComponent.DivComponent.getDispParamList">
132<tt class="descname">getDispParamList</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.DivComponent.DivComponent.getDispParamList" title="Permalink to this definition">¶</a></dt>
133<dd><p>Return a list of all available parameters for the model</p>
134</dd></dl>
135
136<dl class="method">
137<dt id="sans.models.DivComponent.DivComponent.getParam">
138<tt class="descname">getParam</tt><big>(</big><em>name</em><big>)</big><a class="headerlink" href="#sans.models.DivComponent.DivComponent.getParam" title="Permalink to this definition">¶</a></dt>
139<dd><p>Set the value of a model parameter
140&#64;param name: name of the parameter
141&#64;return: value of the parameter</p>
142</dd></dl>
143
144<dl class="method">
145<dt id="sans.models.DivComponent.DivComponent.getParamList">
146<tt class="descname">getParamList</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.DivComponent.DivComponent.getParamList" title="Permalink to this definition">¶</a></dt>
147<dd><p>Return a list of all available parameters for the model</p>
148</dd></dl>
149
150<dl class="method">
151<dt id="sans.models.DivComponent.DivComponent.getParamListWithToken">
152<tt class="descname">getParamListWithToken</tt><big>(</big><em>token</em>, <em>member</em><big>)</big><a class="headerlink" href="#sans.models.DivComponent.DivComponent.getParamListWithToken" title="Permalink to this definition">¶</a></dt>
153<dd></dd></dl>
154
155<dl class="method">
156<dt id="sans.models.DivComponent.DivComponent.getParamWithToken">
157<tt class="descname">getParamWithToken</tt><big>(</big><em>name</em>, <em>token</em>, <em>member</em><big>)</big><a class="headerlink" href="#sans.models.DivComponent.DivComponent.getParamWithToken" title="Permalink to this definition">¶</a></dt>
158<dd></dd></dl>
159
160<dl class="method">
161<dt id="sans.models.DivComponent.DivComponent.is_fittable">
162<tt class="descname">is_fittable</tt><big>(</big><em>par_name</em><big>)</big><a class="headerlink" href="#sans.models.DivComponent.DivComponent.is_fittable" title="Permalink to this definition">¶</a></dt>
163<dd><p>Check if a given parameter is fittable or not</p>
164<table class="docutils field-list" frame="void" rules="none">
165<col class="field-name" />
166<col class="field-body" />
167<tbody valign="top">
168<tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><strong>par_name</strong> &#8211; the parameter name to check</td>
169</tr>
170</tbody>
171</table>
172</dd></dl>
173
174<dl class="method">
175<dt id="sans.models.DivComponent.DivComponent.run">
176<tt class="descname">run</tt><big>(</big><em>x=0</em><big>)</big><a class="headerlink" href="#sans.models.DivComponent.DivComponent.run" title="Permalink to this definition">¶</a></dt>
177<dd><p>Evaluate each part of the component and sum the results
178&#64;param x: input parameter
179&#64;return: value of the model at x</p>
180</dd></dl>
181
182<dl class="method">
183<dt id="sans.models.DivComponent.DivComponent.runXY">
184<tt class="descname">runXY</tt><big>(</big><em>x=0</em><big>)</big><a class="headerlink" href="#sans.models.DivComponent.DivComponent.runXY" title="Permalink to this definition">¶</a></dt>
185<dd><p>Evaluate each part of the component and sum the results
186&#64;param x: input parameter
187&#64;return: value of the model at x</p>
188</dd></dl>
189
190<dl class="method">
191<dt id="sans.models.DivComponent.DivComponent.setParam">
192<tt class="descname">setParam</tt><big>(</big><em>name</em>, <em>value</em><big>)</big><a class="headerlink" href="#sans.models.DivComponent.DivComponent.setParam" title="Permalink to this definition">¶</a></dt>
193<dd><p>Set the value of a model parameter
194&#64;param name: name of parameter to set
195&#64;param value: value to give the paramter</p>
196</dd></dl>
197
198<dl class="method">
199<dt id="sans.models.DivComponent.DivComponent.setParamWithToken">
200<tt class="descname">setParamWithToken</tt><big>(</big><em>name</em>, <em>value</em>, <em>token</em>, <em>member</em><big>)</big><a class="headerlink" href="#sans.models.DivComponent.DivComponent.setParamWithToken" title="Permalink to this definition">¶</a></dt>
201<dd></dd></dl>
202
203</dd></dl>
204
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216<li><a class="reference internal" href="#">DivComponent</a><ul>
217<li><a class="reference internal" href="#module-sans.models.DivComponent"><tt class="docutils literal"><span class="pre">sans.models.DivComponent</span></tt></a></li>
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