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56  <div class="section" id="multiplicationmodel">
57<h1>MultiplicationModel<a class="headerlink" href="#multiplicationmodel" title="Permalink to this headline">¶</a></h1>
58<div class="section" id="module-sans.models.MultiplicationModel">
59<span id="sans-models-multiplicationmodel"></span><h2><a class="reference internal" href="#module-sans.models.MultiplicationModel" title="sans.models.MultiplicationModel"><tt class="xref py py-mod docutils literal"><span class="pre">sans.models.MultiplicationModel</span></tt></a><a class="headerlink" href="#module-sans.models.MultiplicationModel" title="Permalink to this headline">¶</a></h2>
60<dl class="class">
61<dt id="sans.models.MultiplicationModel.MultiplicationModel">
62<em class="property">class </em><tt class="descclassname">sans.models.MultiplicationModel.</tt><tt class="descname">MultiplicationModel</tt><big>(</big><em>p_model</em>, <em>s_model</em><big>)</big><a class="headerlink" href="#sans.models.MultiplicationModel.MultiplicationModel" title="Permalink to this definition">¶</a></dt>
63<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>
64<p>Use for P(Q)*S(Q); function call must be in the order of P(Q) and then S(Q):
65The model parameters are combined from both models, P(Q) and S(Q), except 1) &#8216;effect_radius&#8217; of S(Q)
66which will be calculated from P(Q) via calculate_ER(),
67and 2) &#8216;scale&#8217; in P model which is synchronized w/ volfraction in S
68then P*S is multiplied by a new param, &#8216;scale_factor&#8217;.
69The polydispersion is applicable only to P(Q), not to S(Q).
70Note: P(Q) refers to &#8216;form factor&#8217; model while S(Q) does to &#8216;structure factor&#8217;.</p>
71<dl class="method">
72<dt id="sans.models.MultiplicationModel.MultiplicationModel.calculate_ER">
73<tt class="descname">calculate_ER</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.MultiplicationModel.MultiplicationModel.calculate_ER" title="Permalink to this definition">¶</a></dt>
74<dd></dd></dl>
75
76<dl class="method">
77<dt id="sans.models.MultiplicationModel.MultiplicationModel.clone">
78<tt class="descname">clone</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.MultiplicationModel.MultiplicationModel.clone" title="Permalink to this definition">¶</a></dt>
79<dd><p>Returns a new object identical to the current object</p>
80</dd></dl>
81
82<dl class="method">
83<dt id="sans.models.MultiplicationModel.MultiplicationModel.evalDistribution">
84<tt class="descname">evalDistribution</tt><big>(</big><em>x=</em><span class="optional">[</span><span class="optional">]</span><big>)</big><a class="headerlink" href="#sans.models.MultiplicationModel.MultiplicationModel.evalDistribution" title="Permalink to this definition">¶</a></dt>
85<dd><p>Evaluate the model in cartesian coordinates
86&#64;param x: input q[], or [qx[], qy[]]
87&#64;return: scattering function P(q[])</p>
88</dd></dl>
89
90<dl class="method">
91<dt id="sans.models.MultiplicationModel.MultiplicationModel.fill_description">
92<tt class="descname">fill_description</tt><big>(</big><em>p_model</em>, <em>s_model</em><big>)</big><a class="headerlink" href="#sans.models.MultiplicationModel.MultiplicationModel.fill_description" title="Permalink to this definition">¶</a></dt>
93<dd><p>Fill the description for P(Q)*S(Q)</p>
94</dd></dl>
95
96<dl class="method">
97<dt id="sans.models.MultiplicationModel.MultiplicationModel.getDispParamList">
98<tt class="descname">getDispParamList</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.MultiplicationModel.MultiplicationModel.getDispParamList" title="Permalink to this definition">¶</a></dt>
99<dd><p>Return a list of all available parameters for the model</p>
100</dd></dl>
101
102<dl class="method">
103<dt id="sans.models.MultiplicationModel.MultiplicationModel.getParam">
104<tt class="descname">getParam</tt><big>(</big><em>name</em><big>)</big><a class="headerlink" href="#sans.models.MultiplicationModel.MultiplicationModel.getParam" title="Permalink to this definition">¶</a></dt>
105<dd><p>Set the value of a model parameter</p>
106<table class="docutils field-list" frame="void" rules="none">
107<col class="field-name" />
108<col class="field-body" />
109<tbody valign="top">
110<tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><strong>name</strong> &#8211; name of the parameter</td>
111</tr>
112</tbody>
113</table>
114</dd></dl>
115
116<dl class="method">
117<dt id="sans.models.MultiplicationModel.MultiplicationModel.getParamList">
118<tt class="descname">getParamList</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.MultiplicationModel.MultiplicationModel.getParamList" title="Permalink to this definition">¶</a></dt>
119<dd><p>Return a list of all available parameters for the model</p>
120</dd></dl>
121
122<dl class="method">
123<dt id="sans.models.MultiplicationModel.MultiplicationModel.getParamListWithToken">
124<tt class="descname">getParamListWithToken</tt><big>(</big><em>token</em>, <em>member</em><big>)</big><a class="headerlink" href="#sans.models.MultiplicationModel.MultiplicationModel.getParamListWithToken" title="Permalink to this definition">¶</a></dt>
125<dd></dd></dl>
126
127<dl class="method">
128<dt id="sans.models.MultiplicationModel.MultiplicationModel.getParamWithToken">
129<tt class="descname">getParamWithToken</tt><big>(</big><em>name</em>, <em>token</em>, <em>member</em><big>)</big><a class="headerlink" href="#sans.models.MultiplicationModel.MultiplicationModel.getParamWithToken" title="Permalink to this definition">¶</a></dt>
130<dd></dd></dl>
131
132<dl class="method">
133<dt id="sans.models.MultiplicationModel.MultiplicationModel.getProfile">
134<tt class="descname">getProfile</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.MultiplicationModel.MultiplicationModel.getProfile" title="Permalink to this definition">¶</a></dt>
135<dd><p>Get SLD profile of p_model if exists</p>
136<dl class="docutils">
137<dt>: return: (r, beta) where r is a list of radius of the transition points</dt>
138<dd>beta is a list of the corresponding SLD values</dd>
139</dl>
140<p>: Note: This works only for func_shell# = 2 (exp function).</p>
141</dd></dl>
142
143<dl class="method">
144<dt id="sans.models.MultiplicationModel.MultiplicationModel.is_fittable">
145<tt class="descname">is_fittable</tt><big>(</big><em>par_name</em><big>)</big><a class="headerlink" href="#sans.models.MultiplicationModel.MultiplicationModel.is_fittable" title="Permalink to this definition">¶</a></dt>
146<dd><p>Check if a given parameter is fittable or not</p>
147<table class="docutils field-list" frame="void" rules="none">
148<col class="field-name" />
149<col class="field-body" />
150<tbody valign="top">
151<tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><strong>par_name</strong> &#8211; the parameter name to check</td>
152</tr>
153</tbody>
154</table>
155</dd></dl>
156
157<dl class="method">
158<dt id="sans.models.MultiplicationModel.MultiplicationModel.run">
159<tt class="descname">run</tt><big>(</big><em>x=0.0</em><big>)</big><a class="headerlink" href="#sans.models.MultiplicationModel.MultiplicationModel.run" title="Permalink to this definition">¶</a></dt>
160<dd><p>Evaluate the model
161&#64;param x: input q-value (float or [float, float] as [r, theta])
162&#64;return: (scattering function value)</p>
163</dd></dl>
164
165<dl class="method">
166<dt id="sans.models.MultiplicationModel.MultiplicationModel.runXY">
167<tt class="descname">runXY</tt><big>(</big><em>x=0.0</em><big>)</big><a class="headerlink" href="#sans.models.MultiplicationModel.MultiplicationModel.runXY" title="Permalink to this definition">¶</a></dt>
168<dd><p>Evaluate the model
169&#64;param x: input q-value (float or [float, float] as [qx, qy])
170&#64;return: scattering function value</p>
171</dd></dl>
172
173<dl class="method">
174<dt id="sans.models.MultiplicationModel.MultiplicationModel.setParam">
175<tt class="descname">setParam</tt><big>(</big><em>name</em>, <em>value</em><big>)</big><a class="headerlink" href="#sans.models.MultiplicationModel.MultiplicationModel.setParam" title="Permalink to this definition">¶</a></dt>
176<dd><p>Set the value of a model parameter</p>
177<p>&#64;param name: name of the parameter
178&#64;param value: value of the parameter</p>
179</dd></dl>
180
181<dl class="method">
182<dt id="sans.models.MultiplicationModel.MultiplicationModel.setParamWithToken">
183<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.MultiplicationModel.MultiplicationModel.setParamWithToken" title="Permalink to this definition">¶</a></dt>
184<dd></dd></dl>
185
186<dl class="method">
187<dt id="sans.models.MultiplicationModel.MultiplicationModel.set_dispersion">
188<tt class="descname">set_dispersion</tt><big>(</big><em>parameter</em>, <em>dispersion</em><big>)</big><a class="headerlink" href="#sans.models.MultiplicationModel.MultiplicationModel.set_dispersion" title="Permalink to this definition">¶</a></dt>
189<dd><p>Set the dispersion object for a model parameter
190&#64;param parameter: name of the parameter [string]
191&#64;dispersion: dispersion object of type DispersionModel</p>
192</dd></dl>
193
194</dd></dl>
195
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