core_shell_microgelscostrafo411magnetic_modelticket-1257-vesicle-productticket_1156ticket_1265_superballticket_822_more_unit_tests
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checked in by GitHub <noreply@…>, 8 years ago
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Clear example of monodisperse dilute spheres measured at constant wavelength.
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1 | """ |
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2 | This is a data file used to load in sesans data and fit it using the bumps engine |
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3 | """ |
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4 | from bumps.names import * |
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5 | |
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6 | import sesansfit |
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7 | |
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8 | # Enter the model name to use |
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9 | model_name = "sphere" |
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10 | |
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11 | # DO NOT MODIFY THIS LINE |
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12 | model = sesansfit.get_bumps_model(model_name) |
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13 | |
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14 | # Enter any custom parameters |
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15 | # name = Parameter(initial_value, name='name') |
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16 | phi = Parameter(0.0855, name='phi') |
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17 | # Add the parameters to this list that should be displayed in the fitting window |
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18 | custom_params = {"phi" : phi} |
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19 | |
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20 | # SESANS data file name |
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21 | sesans_file = "spheres2micron.ses" |
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22 | |
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23 | # Initial parameter values (if other than defaults) |
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24 | # "model_parameter_name" : value |
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25 | initial_vals = { |
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26 | "sld" : 1.41, |
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27 | "radius" : 10000, |
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28 | "sld_solvent" : 2.70, |
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29 | } |
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30 | |
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31 | # Ranges for parameters if other than default |
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32 | # "model_parameter_name" : [min, max] |
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33 | param_range = { |
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34 | "phi" : [0.001, 0.5], |
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35 | "radius" : [100, 100000] |
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36 | } |
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37 | |
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38 | # Constraints |
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39 | # model.param_name = f(other params) |
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40 | # EXAMPLE: model.scale = model.radius*model.radius*(1 - phi) - where radius and scale are model functions and phi is |
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41 | # a custom parameter |
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42 | model.scale = phi*(1-phi) |
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43 | |
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44 | # Send to the fitting engine |
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45 | # DO NOT MODIFY THIS LINE |
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46 | problem = sesansfit.sesans_fit(sesans_file, model, initial_vals, custom_params, param_range) |
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47 | |
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