{"coeffs": [3.997870938928861e-08, 0.10814033920251213, 1.5101631955838717, 0.08619744912573679], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [4.947799705240146e-08, 2715.893598390871, 2182.0915530605057, 0.030716446128003227], "covariance": [[2.4480721923174473e-15, -6.320747109330235e-05, -5.078649065897239e-05, -9.008708817050678e-10], [-6.320747099447661e-05, 7376078.037780513, 5926328.4739440475, 79.62768805237634], [-5.078649058546717e-05, 5926328.47394445, 4761523.54593801, 63.977973612501884], [-9.008708809829281e-10, 79.62768808948678, 63.97797364224053, 0.0009435000627345244]]}