ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
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Last change
on this file since cf92b1f was
386ffe1,
checked in by pkienzle, 10 years ago
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remove scipy levenburg marquardt and park from ui
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Property mode set to
100644
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File size:
1.5 KB
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| 1 | <html> |
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| 2 | <body> |
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| 3 | |
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| 4 | <h4>Simultaneous Fit</h4> |
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| 5 | <p> |
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| 6 | This fitting option enables to set a number of the constraints between the parameters of fitting(s). |
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| 7 | It requires one or more FitPages with a data and a model set for the fitting, |
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| 8 | and performs multiple fittings given by the FitPage(s). |
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| 9 | </p> |
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| 10 | <ul> |
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| 11 | <li><a href="#noconstraint">Simultaneous Fit without constraint</a></li> |
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| 12 | <li><a href="#constraint">Simultaneous Fit with constraint</a></li> |
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| 13 | </ul> |
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| 14 | |
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| 15 | <h5><a name="noconstraint">Simultaneous Fit without constraint</a></h5> |
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| 16 | <p> |
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| 17 | Assuming some FitPages are already set up, check the checkboxes of the model_data rows to fit. |
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| 18 | And click the 'Fit' button. |
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| 19 | The results will return to each FitPages. |
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| 20 | <br/>Note that the chi2/Npts returned is the sum of the chi2/Npts of each fits. |
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| 21 | If one needs the chi2 value only for a page, click the 'Compute' button in the FitPage to recalculate. |
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| 22 | |
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| 23 | </p> |
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| 24 | |
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| 25 | <h5><a name="constraint">Simultaneous Fit with constraint</a></h5> |
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| 26 | <p> |
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| 27 | Enter constraint in the text control next to <b>constraint fit</b> button. |
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| 28 | Constraint should be of type model1 parameter name = f(model2 parameter name)for example, M0.radius=2*M1.radius. |
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| 29 | Many constraints can be entered for a single fit.Each of them should be separated |
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| 30 | by a newline charater or ";" |
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| 31 | The easy setup can generate many constraint inputs easily when the selected two models are the same type. |
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| 32 | <br/>Note that the chi2/Npts returned is the sum of the chi2/Npts of each fits. |
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| 33 | If one needs the chi2 value only for one fit, click the 'Compute' button in the FitPage to recalculate. |
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| 34 | </p> |
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| 35 | |
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| 36 | </body> |
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| 37 | </html> |
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