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Jianshun Gao 2023-05-24 15:10:34 +02:00
parent 071d1b7726
commit a91aabf26a
1 changed files with 2 additions and 2 deletions
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Analyser/FitAnalyser.py
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@ -338,7 +338,7 @@ class DensityProfileBEC2dModel(Model):
self.set_param_hint('condensate_fraction', expr=f'{self.prefix}BEC_amplitude / ({self.prefix}BEC_amplitude + {self.prefix}thermal_amplitude)') self.set_param_hint('condensate_fraction', expr=f'{self.prefix}BEC_amplitude / ({self.prefix}BEC_amplitude + {self.prefix}thermal_amplitude)')
def guess(self, data, x, y, negative=False, **kwargs): def guess(self, data, x, y, negative=False, pureBECThreshold=0.5, **kwargs):
"""Estimate initial model parameter values from data.""" """Estimate initial model parameter values from data."""
fitModel = TwoGaussian2dModel() fitModel = TwoGaussian2dModel()
pars = fitModel.guess(data, x=x, y=y, negative=negative) pars = fitModel.guess(data, x=x, y=y, negative=negative)
@ -358,7 +358,7 @@ class DensityProfileBEC2dModel(Model):
# thermal_sigmay=(pars_guess['B_sigmay'].value * s2) # thermal_sigmay=(pars_guess['B_sigmay'].value * s2)
) )
if BEC_amplitude / (thermal_amplitude + BEC_amplitude) > 0.5: if BEC_amplitude / (thermal_amplitude + BEC_amplitude) > pureBECThreshold:
pars[f'{self.prefix}thermal_amplitude'].set(value=0) pars[f'{self.prefix}thermal_amplitude'].set(value=0)
pars[f'{self.prefix}BEC_amplitude'].set(value=(thermal_amplitude + BEC_amplitude)) pars[f'{self.prefix}BEC_amplitude'].set(value=(thermal_amplitude + BEC_amplitude))