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Jianshun Gao 2023-08-25 15:36:43 +02:00
parent 16c6ba7d86
commit e285ad2cab
1 changed files with 4 additions and 1 deletions
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Analyser/FitAnalyser.py
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@ -402,7 +402,10 @@ class DensityProfileBEC2dModel(lmfit.Model):
self.set_param_hint('sigmax_bec', min=0)
self.set_param_hint('sigmay_bec', min=0)
self.set_param_hint('sigma_th', min=0)
self.set_param_hint('atom_number_bec', expr=f'{self.prefix}amp_bec / 5 * 2 * 3.14159265359 * {self.prefix}sigmax_bec * {self.prefix}sigmay_bec')
self.set_param_hint('atom_number_th', expr=f'{self.prefix}amp_th * 2 * 3.14159265359 * 1.20206 / 1.643 * {self.prefix}sigma_th * {self.prefix}sigma_th')
self.set_param_hint('condensate_fraction', expr=f'{self.prefix}atom_number_bec / ({self.prefix}atom_number_bec + {self.prefix}atom_number_th)')
def guess(self, data, x, y, pre_check=False, post_check=False, **kwargs):
"""Estimate and create initial model parameters for 2d bimodal fit, by doing a 1d bimodal fit along an integrated slice of the image