{"coeffs": [-4.1274585258388465e-06, 0.000107298644890261, 0.5794005757030533, 0.2130562573125426], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.0719326041249424e-06, 1.5133321408350598e-05, 0.052701508557037285, 0.019106096718762768], "covariance": [[1.1490395077860807e-12, -1.3658401247064721e-11, -4.6956487611815226e-08, -1.9183202436355156e-08], [-1.3658401247064721e-11, 2.2901741684844252e-10, 7.965550994854799e-07, 2.79164667939362e-07], [-4.695648761181524e-08, 7.965550994854799e-07, 0.0027774490041874746, 0.0009711108491467169], [-1.918320243635515e-08, 2.7916466793936193e-07, 0.0009711108491467167, 0.00036504293182671745]]}