Utilites

General Description

Utilites of TRXASprefitpack package

1. broadening: broad theoretically calculated line shape spectrum with voigt profile

2. fit_static: fitting theoretically calculated line shape spectrum with experimental spectrum

3. fit_irf: Find irf parameter of experimental measured irf function

4. fit_tscan: Find lifetime constants of experimental time trace spectrum

5. fit_seq: fitting experimental time trace spectrum with 1st order sequential decay dynamics

6. fit_osc: fitting residual of experimental time trace spectrum with damped oscilliaton

• The utilites starting from fit use lmfit package to fit data and estimate parameter error bound.

• During optimization process it uses Nelder-Mead Algorithm to find least chi square solution and then Levenberg-Marquardt Algorithm to refine such solution and estimate parameter error bound

• When --slow option is turned, it uses global optimization algorithm Adaptive Memory Programming for Global Optimization to find least chi square solution.

Contents:

• broadening
• fit_static
• fit_irf
  • Parameter bound scheme
  • Mixing parameter eta
• fit_tscan
  • Parameter bound scheme
  • Mixing parameter eta
• fit_seq
  • Parameter bound scheme
  • Mixing parameter eta
• fit_tscan
  • Parameter bound scheme
  • Mixing parameter eta