Subject | : Re: FIT features |
Article No | : 867 |
Date | : 2010/12/22(Wed) 14:33:42 |
Contributor | : Akio Morita |
> Is it possible to fix during FIT procedure not only the twiss parameters value but also their combinations? For example tunes difference NX-NY. > You can setup custum fitting function via o FitValue[] function o FitFunction symbol
For example, FitFunction := {Twiss["NX", "$$$"] - (Twiss["NY", "$$$"] + 1)}; minimizes (Twiss["NX", "$$$"] - (Twiss["NY", "$$$"] + 1))^2.
> And I'll steel be unreally happy if the SOL element will become variable during matching (see post N777). > tweight problem reported in post N792 WOULD be fixed at src/tffsmatch.f revision 1.74(2010/03/24).
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