fitproblem

sans.perspectives.fitting.fitproblem

class sans.perspectives.fitting.fitproblem.FitProblem

FitProblem class allows to link a model with the new name created in _on_model, a name theory created with that model and the data fitted with the model. FitProblem is mostly used as value of the dictionary by fitting module.

add_fit_data(data)

save a copy of the data select to fit

Parameters:

• data – data selected

add_plotted_data(data)

save a copy of the data select to fit

Parameters:

• data – data selected

clear_model_param()

clear constraint info

clone()

copy fitproblem

get_fit_data()

get_index()

get index of the model name

get_model()

Returns:saved model

get_model_param()

return list of couple of parameter name and value

get_name()

get_plotted_data()

Returns:list of data dList

get_range()

Returns:fitting range

get_scheduled()

return true or false if a problem as being schedule for fitting

get_smearer()

return smear object

save_model_name(name)

schedule_tofit(schedule=0)

set schedule to true to decide if this fit must be performed

set_index(index)

set index of the model name

set_model(model)

associates each model with its new created name

Parameters:

• model – model selected
• name – name created for model

set_model_param(name, value=None)

Store the name and value of a parameter of this fitproblem’s model

Parameters:

• name – name of the given parameter
• value – value of that parameter

set_range(qmin=None, qmax=None)

set fitting range

set_smearer(smearer)

save reference of smear object on fitdata

Parameters:

• smear – smear object from DataLoader