Phases calculation using the Designmatrix feature #1850
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abhisrkckl
reviewed
Oct 24, 2024
src/pint/scripts/event_optimize.py
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| parser.add_argument( | ||
| "--calc_phase", | ||
| help="Calculates the phase at each MCMC step using the designmatrix", | ||
| default=False, | ||
| action="store_true", | ||
| dest="calc_phase", | ||
| ) |
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I suggest changing this option to "--linearize_model" or something like that. I don't think "--calc_phase" accurately reflects what it is doing.
src/pint/scripts/event_optimize.py
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| @@ -862,6 +882,9 @@ def main(argv=None): | |||
| # This way, one walker should always be in a good position | |||
| pos[0] = ftr.fitvals | |||
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| # How phase will be calculated at each step (either with the designmatrix or ) | |||
| ftr.calc_phase = True if args.calc_phase else False | |||
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This can just be ftr.calc_phase = args.calc_phase
|
Please add a CHANGELOG entry |
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Shall I merge this? The changes look OK to me. |
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This adds in a calculation that using the designmatrix to calculate the phases of each photon during each step of the MCMC run in
event_optimize. This leads to a dramatic speed up in the MCMC run.Here are some test runs I have done with real gamma-ray data. The samples line up well with the exception of the internal
PHASEparameter that is written into the fitter withinevent_optimize. This parameter is an internal parameter that serves as analogous to absolute phase and does not effect the timing model.