{"coeffs": [1.1327818042089094e-07, 0.2779962190754595, 1.8612126506120423, 0.15160854383301922], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.547455352334261e-07, 120.02991827746247, 65.93400834223029, 0.013011078641274997], "covariance": [[4.2869171590810574e-13, -5.7968489807877835e-05, -3.185240173901615e-05, -7.251356961370958e-09], [-5.79684898143213e-05, 14407.181281694318, 7914.052889393974, 1.5046485394103966], [-3.1852401742754514e-05, 7914.052889393439, 4347.293456073293, 0.8266225932200529], [-7.251356961814051e-09, 1.5046485393452438, 0.8266225931841766, 0.00016928816740944242]]}