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FFSDP User Manual THEORETICAL BACKGROUND .................................................................................................6 Characteristics .............................................................................................................................................................................. 6 Models............................................................................................................................................................................................ 6 Custom model ............................................................................................................................................................................ 7 PCH model................................................................................................................................................................................. 7 FFC model ............................................................................................................................................................................... 10 Gaussian model........................................................................................................................................................................ 13 Correlation function models..................................................................................................................................................... 14 Methods ....................................................................................................................................................................................... 22 Global fit.................................................................................................................................................................................. 22 Sequential fit ............................................................................................................................................................................ 22 Initial guesses........................................................................................................................................................................... 23 Quality of fit............................................................................................................................................................................. 23 Exhaustive search .................................................................................................................................................................... 23 Standard errors......................................................................................................................................................................... 23 Simulator.................................................................................................................................................................................. 24 USING CUSTOM MODEL ..........................................................................................................24 Script programming language................................................................................................................................................... 24 Whitespace............................................................................................................................................................................... 24 Tokens...................................................................................................................................................................................... 24 Keywords ................................................................................................................................................................................. 25 Variable identifiers................................................................................................................................................................... 25 Variables .................................................................................................................................................................................. 25 Operators.................................................................................................................................................................................. 25 Built in functions ..................................................................................................................................................................... 28 Punctuators............................................................................................................................................................................... 31 Numeric expression ................................................................................................................................................................. 32 Expression................................................................................................................................................................................ 32 Parameters................................................................................................................................................................................ 32 Custom model configuration dialog box ................................................................................................................................... 32 button ............................................................................................................................................................................... 33 button............................................................................................................................................................................... 33 button ............................................................................................................................................................................... 33 button.............................................................................................................................................................................. 33 button ............................................................................................................................................................................. 33 Models list................................................................................................................................................................................ 33 Filter button.............................................................................................................................................................................. 34 Search button ........................................................................................................................................................................... 34 OK button ................................................................................................................................................................................ 34 Close button ............................................................................................................................................................................. 34 Help button .............................................................................................................................................................................. 34 Test button ............................................................................................................................................................................... 34 Add model by Wizard button................................................................................................................................................... 34 Initial settings table .................................................................................................................................................................. 34 Add button ............................................................................................................................................................................... 35 Delete button............................................................................................................................................................................ 35 Formula page ........................................................................................................................................................................... 35 2
