{"coeffs": [-1.4957071150059909e-06, 2.4149265310885276e-05, 0.4325546281331368, 0.22449364458732665], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.551703249850086e-08, 3.2252717461264314e-07, 0.004869500777828623, 0.0033466523721215873], "covariance": [[5.7028221973796354e-15, -2.0886023651557462e-14, -2.8306208653201355e-10, -2.400314046995875e-10], [-2.0886023651557373e-14, 1.0402377836361441e-13, 1.5495601034399923e-09, 1.040894611545925e-09], [-2.8306208653201205e-10, 1.5495601034399906e-09, 2.3712037825273566e-05, 1.4985931953380844e-05], [-2.4003140469958713e-10, 1.040894611545927e-09, 1.4985931953380886e-05, 1.1200082099827046e-05]]}