{"coeffs": [-3.077890812742731e-06, 7.665341349495978e-05, 0.48367920303085, 0.17906384391796368], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [8.017494960485437e-07, 6.424549279869305e-06, 0.02757289268201827, 0.013538526991351546], "covariance": [[6.428022544140938e-13, -4.047399968643275e-12, -1.6219356840245684e-08, -9.844729265681882e-09], [-4.047399968643276e-12, 4.1274833449469196e-11, 1.7610311809651814e-07, 8.278776096892987e-08], [-1.6219356840245698e-08, 1.7610311809651814e-07, 0.0007602644108540966, 0.00034826123606527187], [-9.844729265681882e-09, 8.278776096892983e-08, 0.00034826123606527176, 0.00018329171309555437]]}