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Changes to params dictionary. Valid values for 'fixed' are 'fixed' 'float' or an integer. True and False are no longer acceptable. Now mutli-ROI curve fitting seems to work!
New LMA function in fit_module allows us to simultaneously fit parameters to the data in several ROIs that share that parameter. This is not yet fully tested. More comments have been added to ba_class. The __all__ variable has been added to osprai_one to assist the automatic documentation.
The new module osprai_one provides access to the important functions in all of the other modules. Documentation has been started with osprai_one.html.
Added clma(), a constrained LMA fitting function. We can now set a lower and upper bound for fitting. Be sure that the initial estimate is between, not at, the bounds. It transforms the parameters using x1 = ((b-a)*tanh(x0)+b+a)/2 for the interval (a,b).
Introduction of the fit_module. This provides ordinary Levenberg-Marquart curvefitting. The user can choose which model parameters are fixed and which are allowed to float. Next, we can add a constrained version.
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