{"coeffs": [-9.844873660297778e-07, 0.1840584748297671, 2.0105484097649637, 0.16948606527779317], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.363841561032002e-07, 104.11152111914144, 97.014610932983, 0.019538682117251065], "covariance": [[4.0498479413918237e-13, -5.179225165322352e-05, -4.8274653007268226e-05, -1.1012502090232601e-08], [-5.1792251659116636e-05, 10839.208829741434, 10100.337820658946, 1.9667617563724697], [-4.8274653012717785e-05, 10100.337820658191, 9411.834734478065, 1.8328979442478681], [-1.1012502090854469e-08, 1.96676175628001, 1.832897944162076, 0.00038176009887898657]]}