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59  <div class="section" id="subcomponent">
60<h1>SubComponent<a class="headerlink" href="#subcomponent" title="Permalink to this headline">¶</a></h1>
61<div class="section" id="sans-models-subcomponent">
62<h2><a class="reference internal" href="#module-sans.models.SubComponent" title="sans.models.SubComponent"><tt class="xref py py-mod docutils literal"><span class="pre">sans.models.SubComponent</span></tt></a><a class="headerlink" href="#sans-models-subcomponent" title="Permalink to this headline">¶</a></h2>
63<span class="target" id="module-sans.models.SubComponent"></span><p>Provide base functionality for all model components
64&#64;author: Mathieu Doucet / UTK
65&#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>
66<dl class="class">
67<dt id="sans.models.SubComponent.SubComponent">
68<em class="property">class </em><tt class="descclassname">sans.models.SubComponent.</tt><tt class="descname">SubComponent</tt><a class="headerlink" href="#sans.models.SubComponent.SubComponent" title="Permalink to this definition">¶</a></dt>
69<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>
70<p>Basic model component for Subtraction
71Provides basic arithmetics</p>
72<dl class="method">
73<dt id="sans.models.SubComponent.SubComponent.__add__">
74<tt class="descname">__add__</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.__add__" title="Permalink to this definition">¶</a></dt>
75<dd></dd></dl>
76
77<dl class="method">
78<dt id="sans.models.SubComponent.SubComponent.__div__">
79<tt class="descname">__div__</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.__div__" title="Permalink to this definition">¶</a></dt>
80<dd></dd></dl>
81
82<dl class="method">
83<dt id="sans.models.SubComponent.SubComponent.__init__">
84<tt class="descname">__init__</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.__init__" title="Permalink to this definition">¶</a></dt>
85<dd><p>&#64;param base: component to subtract from
86&#64;param other: component to subtract</p>
87</dd></dl>
88
89<dl class="attribute">
90<dt id="sans.models.SubComponent.SubComponent.__module__">
91<tt class="descname">__module__</tt><em class="property"> = 'sans.models.SubComponent'</em><a class="headerlink" href="#sans.models.SubComponent.SubComponent.__module__" title="Permalink to this definition">¶</a></dt>
92<dd></dd></dl>
93
94<dl class="method">
95<dt id="sans.models.SubComponent.SubComponent.__mul__">
96<tt class="descname">__mul__</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.__mul__" title="Permalink to this definition">¶</a></dt>
97<dd></dd></dl>
98
99<dl class="method">
100<dt id="sans.models.SubComponent.SubComponent.__str__">
101<tt class="descname">__str__</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.__str__" title="Permalink to this definition">¶</a></dt>
102<dd><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-odd field"><th class="field-name">Returns:</th><td class="field-body">string representatio</td>
107</tr>
108</tbody>
109</table>
110</dd></dl>
111
112<dl class="method">
113<dt id="sans.models.SubComponent.SubComponent.__sub__">
114<tt class="descname">__sub__</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.__sub__" title="Permalink to this definition">¶</a></dt>
115<dd></dd></dl>
116
117<dl class="method">
118<dt id="sans.models.SubComponent.SubComponent._clone">
119<tt class="descname">_clone</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent._clone" title="Permalink to this definition">¶</a></dt>
120<dd><p>Internal utility function to copy the internal
121data members to a fresh copy.</p>
122</dd></dl>
123
124<dl class="method">
125<dt id="sans.models.SubComponent.SubComponent.calculate_ER">
126<tt class="descname">calculate_ER</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.calculate_ER" title="Permalink to this definition">¶</a></dt>
127<dd></dd></dl>
128
129<dl class="method">
130<dt id="sans.models.SubComponent.SubComponent.clone">
131<tt class="descname">clone</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.clone" title="Permalink to this definition">¶</a></dt>
132<dd><p>Returns a new object identical to the current object</p>
133</dd></dl>
134
135<dl class="method">
136<dt id="sans.models.SubComponent.SubComponent.evalDistribution">
137<tt class="descname">evalDistribution</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.evalDistribution" title="Permalink to this definition">¶</a></dt>
138<dd><p>Evaluate a distribution of q-values.</p>
139<ul>
140<li><p class="first">For 1D, a numpy array is expected as input:</p>
141<blockquote>
142<div><p>evalDistribution(q)</p>
143</div></blockquote>
144</li>
145</ul>
146<p>where q is a numpy array.</p>
147<ul class="simple">
148<li>For 2D, a list of numpy arrays are expected: [qx_prime,qy_prime],
149where 1D arrays,</li>
150</ul>
151<p>qx_prime = [ qx[0], qx[1], qx[2], ....]
152and
153qy_prime = [ qy[0], qy[1], qy[2], ....]</p>
154<p>Then get
155q = numpy.sqrt(qx_prime^2+qy_prime^2)</p>
156<p>that is a qr in 1D array;
157q = [q[0], q[1], q[2], ....]</p>
158<table class="docutils field-list" frame="void" rules="none">
159<col class="field-name" />
160<col class="field-body" />
161<tbody valign="top">
162<tr class="field-odd field"><th class="field-name">Note :</th><td class="field-body"><p class="first">Due to 2D speed issue, no anisotropic scattering
163is supported for python models, thus C-models should have</p>
164<blockquote class="last">
165<div><p>their own evalDistribution methods.</p>
166</div></blockquote>
167</td>
168</tr>
169</tbody>
170</table>
171<p>The method is then called the following way:</p>
172<p>evalDistribution(q)
173where q is a numpy array.</p>
174<table class="docutils field-list" frame="void" rules="none">
175<col class="field-name" />
176<col class="field-body" />
177<tbody valign="top">
178<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>qdist</strong> &#8211; ndarray of scalar q-values or list [qx,qy]
179where qx,qy are 1D ndarrays</td>
180</tr>
181</tbody>
182</table>
183</dd></dl>
184
185<dl class="method">
186<dt id="sans.models.SubComponent.SubComponent.getDispParamList">
187<tt class="descname">getDispParamList</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.getDispParamList" title="Permalink to this definition">¶</a></dt>
188<dd><p>Return a list of all available parameters for the model</p>
189</dd></dl>
190
191<dl class="method">
192<dt id="sans.models.SubComponent.SubComponent.getParam">
193<tt class="descname">getParam</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.getParam" title="Permalink to this definition">¶</a></dt>
194<dd><p>Set the value of a model parameter
195&#64;param name: name of the parameter
196&#64;return: value of the parameter</p>
197</dd></dl>
198
199<dl class="method">
200<dt id="sans.models.SubComponent.SubComponent.getParamList">
201<tt class="descname">getParamList</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.getParamList" title="Permalink to this definition">¶</a></dt>
202<dd><p>Return a list of all available parameters for the model</p>
203</dd></dl>
204
205<dl class="method">
206<dt id="sans.models.SubComponent.SubComponent.getParamListWithToken">
207<tt class="descname">getParamListWithToken</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.getParamListWithToken" title="Permalink to this definition">¶</a></dt>
208<dd></dd></dl>
209
210<dl class="method">
211<dt id="sans.models.SubComponent.SubComponent.getParamWithToken">
212<tt class="descname">getParamWithToken</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.getParamWithToken" title="Permalink to this definition">¶</a></dt>
213<dd></dd></dl>
214
215<dl class="method">
216<dt id="sans.models.SubComponent.SubComponent.is_fittable">
217<tt class="descname">is_fittable</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.is_fittable" title="Permalink to this definition">¶</a></dt>
218<dd><p>Check if a given parameter is fittable or not</p>
219<table class="docutils field-list" frame="void" rules="none">
220<col class="field-name" />
221<col class="field-body" />
222<tbody valign="top">
223<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>par_name</strong> &#8211; the parameter name to check</td>
224</tr>
225</tbody>
226</table>
227</dd></dl>
228
229<dl class="method">
230<dt id="sans.models.SubComponent.SubComponent.run">
231<tt class="descname">run</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.run" title="Permalink to this definition">¶</a></dt>
232<dd><p>Evaluate each part of the component and sum the results
233&#64;param x: input parameter
234&#64;return: value of the model at x</p>
235</dd></dl>
236
237<dl class="method">
238<dt id="sans.models.SubComponent.SubComponent.runXY">
239<tt class="descname">runXY</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.runXY" title="Permalink to this definition">¶</a></dt>
240<dd><p>Evaluate each part of the component and sum the results
241&#64;param x: input parameter
242&#64;return: value of the model at x</p>
243</dd></dl>
244
245<dl class="method">
246<dt id="sans.models.SubComponent.SubComponent.setParam">
247<tt class="descname">setParam</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.setParam" title="Permalink to this definition">¶</a></dt>
248<dd><p>Set the value of a model parameter
249&#64;param name: name of parameter to set
250&#64;param value: value to give the paramter</p>
251</dd></dl>
252
253<dl class="method">
254<dt id="sans.models.SubComponent.SubComponent.setParamWithToken">
255<tt class="descname">setParamWithToken</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.SubComponent.SubComponent.setParamWithToken" title="Permalink to this definition">¶</a></dt>
256<dd></dd></dl>
257
258</dd></dl>
259
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