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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"><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>Returns a new object identical to the current object</dd></dl>
78
79<dl class="method">
80<dt id="sans.models.DivComponent.DivComponent.evalDistribution">
81<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>
82<dd><p>Evaluate a distribution of q-values.</p>
83<ul>
84<li><p class="first">For 1D, a numpy array is expected as input:</p>
85<blockquote>
86<p>evalDistribution(q)</p>
87</blockquote>
88</li>
89</ul>
90<p>where q is a numpy array.</p>
91<ul class="simple">
92<li>For 2D, a list of numpy arrays are expected: [qx_prime,qy_prime],
93where 1D arrays,</li>
94</ul>
95<p>qx_prime = [ qx[0], qx[1], qx[2], ....]
96and
97qy_prime = [ qy[0], qy[1], qy[2], ....]</p>
98<p>Then get
99q = numpy.sqrt(qx_prime^2+qy_prime^2)</p>
100<p>that is a qr in 1D array;
101q = [q[0], q[1], q[2], ....]</p>
102<table class="docutils field-list" frame="void" rules="none">
103<col class="field-name" />
104<col class="field-body" />
105<tbody valign="top">
106<tr class="field"><th class="field-name">Note :</th><td class="field-body"><p class="first">Due to 2D speed issue, no anisotropic scattering
107is supported for python models, thus C-models should have</p>
108<blockquote class="last">
109<p>their own evalDistribution methods.</p>
110</blockquote>
111</td>
112</tr>
113</tbody>
114</table>
115<p>The method is then called the following way:</p>
116<p>evalDistribution(q)
117where q is a numpy array.</p>
118<table class="docutils field-list" frame="void" rules="none">
119<col class="field-name" />
120<col class="field-body" />
121<tbody valign="top">
122<tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
123<li><strong>qdist</strong> &#8211; ndarray of scalar q-values or list [qx,qy]
124where qx,qy are 1D ndarrays</li>
125</ul>
126</td>
127</tr>
128</tbody>
129</table>
130</dd></dl>
131
132<dl class="method">
133<dt id="sans.models.DivComponent.DivComponent.getDispParamList">
134<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>
135<dd>Return a list of all available parameters for the model</dd></dl>
136
137<dl class="method">
138<dt id="sans.models.DivComponent.DivComponent.getParam">
139<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>
140<dd>Set the value of a model parameter
141&#64;param name: name of the parameter
142&#64;return: value of the parameter</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>Return a list of all available parameters for the model</dd></dl>
148
149<dl class="method">
150<dt id="sans.models.DivComponent.DivComponent.getParamListWithToken">
151<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>
152<dd></dd></dl>
153
154<dl class="method">
155<dt id="sans.models.DivComponent.DivComponent.getParamWithToken">
156<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>
157<dd></dd></dl>
158
159<dl class="method">
160<dt id="sans.models.DivComponent.DivComponent.is_fittable">
161<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>
162<dd><p>Check if a given parameter is fittable or not</p>
163<table class="docutils field-list" frame="void" rules="none">
164<col class="field-name" />
165<col class="field-body" />
166<tbody valign="top">
167<tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
168<li><strong>par_name</strong> &#8211; the parameter name to check</li>
169</ul>
170</td>
171</tr>
172</tbody>
173</table>
174</dd></dl>
175
176<dl class="method">
177<dt id="sans.models.DivComponent.DivComponent.run">
178<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>
179<dd>Evaluate each part of the component and sum the results
180&#64;param x: input parameter
181&#64;return: value of the model at x</dd></dl>
182
183<dl class="method">
184<dt id="sans.models.DivComponent.DivComponent.runXY">
185<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>
186<dd>Evaluate each part of the component and sum the results
187&#64;param x: input parameter
188&#64;return: value of the model at x</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>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</dd></dl>
196
197<dl class="method">
198<dt id="sans.models.DivComponent.DivComponent.setParamWithToken">
199<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>
200<dd></dd></dl>
201
202</dd></dl>
203
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215<li><a class="reference internal" href="#">DivComponent</a><ul>
216<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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