{"coeffs": [-7.152600425886925e-08, 0.20130477179371092, 1.3440051533059114, 0.07559240176299126], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.9165767425086485e-08, 163.28834615068357, 61.48983526746958, 0.0027858193509254668], "covariance": [[8.50641989494236e-16, -2.123624984521288e-06, -7.998018137782229e-07, -4.5813363835125253e-11], [-2.1236249849718304e-06, 26663.083988625454, 10040.573422767058, 0.4347146417074806], [-7.998018139279466e-07, 10040.573422766834, 3780.9998412205455, 0.16370788884881085], [-4.581336383992503e-11, 0.4347146416840057, 0.16370788884009319, 7.760789455990789e-06]]}