Changeset b3199ac3 in sasview for fittingview/src/sans/perspectives/fitting/media/simultaneous_fit_help.html
- Timestamp:
- Oct 17, 2011 5:14:51 PM (13 years ago)
- Branches:
- master, ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc, costrafo411, magnetic_scatt, release-4.1.1, release-4.1.2, release-4.2.2, release_4.0.1, ticket-1009, ticket-1094-headless, ticket-1242-2d-resolution, ticket-1243, ticket-1249, ticket885, unittest-saveload
- Children:
- 40c84e4
- Parents:
- 46cec6c
- File:
-
- 1 edited
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fittingview/src/sans/perspectives/fitting/media/simultaneous_fit_help.html
r2c90c74 rb3199ac3 4 4 <h4>Simultaneous Fit</h4> 5 5 <p> 6 Can only happen with more than 2 data select with their associated model. 7 Can only operate with the park engine selected <b>Fitting</b> on the menu. 8 check <b> park</b>. 6 This fitting option enables to set a number of the constraints between the parameters of fitting(s). 7 It requires one or more FitPages with a data and a model set for the fitting, 8 and performs multiple fittings given by the FitPage(s). 9 The Complex (ParkMC) FitEngine will be used automatically. 9 10 </p> 10 11 <ul> … … 15 16 <h5><a name="noconstraint">Simultaneous Fit without constraint</a></h5> 16 17 <p> 17 Highlight the data to fit. Select from the context menu <b>Select Data for fitting</b>. 18 A new tab with the name of the data selected will appears. Select a model used for the fit 19 from the combo box. Model's parameters will be display.Set initial parameters if need. 20 Check at least one parameter to fit.Go to <b>Simultaneous Fit</b> and check at least 2 21 models name to fit.Click on <b> constraint fit </b> button. results will be displayed on 22 tabs corresponding to each model select. 18 Assuming some FitPage are already set up, check the checkboxes of the model_data rows to fit. 19 And click the 'Fit' button. 20 The results will return to each FitPages. 21 <br/>Note that the chi2/Npts returned is the sum of the chi2/Npts of each fits. 22 If one needs the chi2 value only for a page, click the 'Compute' button in the FitPage to recalculate. 23 23 24 24 </p> … … 26 26 <h5><a name="constraint">Simultaneous Fit with constraint</a></h5> 27 27 <p> 28 Perform <a href="#noconstraint">Simultaneous Fit without constraint</a> step.29 28 Enter constraint in the text control next to <b>constraint fit</b> button. 30 29 Constraint should be of type model1 parameter name = f(model2 parameter name)for example, M0.radius=2*M1.radius. 31 30 Many constraints can be entered for a single fit.Each of them should be separated 32 31 by a newline charater or ";" 32 The easy setup can generate many constraint inputs easily when the selected two models are the same type. 33 <br/>Note that the chi2/Npts returned is the sum of the chi2/Npts of each fits. 34 If one needs the chi2 value only for one fit, click the 'Compute' button in the FitPage to recalculate. 33 35 </p> 34 36
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