source: sasmodels/example/sesans_sphere_2micron.py @ acc6c8f

core_shell_microgelsmagnetic_modelticket-1257-vesicle-productticket_1156ticket_1265_superballticket_822_more_unit_tests
Last change on this file since acc6c8f was 3330bb4, checked in by ajj, 8 years ago

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