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added fixed_bsm #73

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added fixed_bsm #73

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5 changes: 5 additions & 0 deletions n3fit/src/n3fit/model_trainer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -125,6 +125,7 @@ def __init__(
simu_parameters_scales=None,
bsm_fac_initialisations=None,
bsm_initialisation_seed=0,
fixed_bsm=False,
debug=False,
kfold_parameters=None,
max_cores=None,
Expand Down Expand Up @@ -188,6 +189,7 @@ def __init__(
self.simu_parameters_scales = simu_parameters_scales
self.bsm_fac_initialisations = bsm_fac_initialisations
self.bsm_initialisation_seed = bsm_initialisation_seed
self.fixed_bsm = fixed_bsm
self.fixed_pdf = fixed_pdf
self.replicas = replicas

Expand Down Expand Up @@ -515,6 +517,9 @@ def _generate_observables(
replica_number=self.replicas[0],
)

if self.fixed_bsm:
combiner.trainable = False

log.info(f"Using bsm_factor scales: {self.simu_parameters_scales}")
self.combiner = combiner

Expand Down
2 changes: 2 additions & 0 deletions n3fit/src/n3fit/performfit.py
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@ def performfit(
parallel_models=False,
simu_parameters_names=None,
bsm_initialisation_seed=0,
fixed_bsm=False,
):
"""
This action will (upon having read a validcard) process a full PDF fit
Expand Down Expand Up @@ -208,6 +209,7 @@ def performfit(
simu_parameters_scales=simu_parameters_scales,
bsm_fac_initialisations=bsm_fac_initialisations,
bsm_initialisation_seed=bsm_initialisation_seed,
fixed_bsm=fixed_bsm,
)

# This is just to give a descriptive name to the fit function
Expand Down