{"coeffs": [-9.299379893184227e-07, 0.3658067720878236, 1.9620010063123208, 0.1582380563481697], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.7780415773333964e-07, 87.362404374223, 37.96642192810683, 0.005642133685016974], "covariance": [[7.717515005393025e-14, -1.8327076133319764e-05, -7.96645188625626e-06, -1.3561874755713186e-09], [-1.8327076135079973e-05, 7632.189698045259, 3316.8377223291345, 0.47552092722849615], [-7.966451887038854e-06, 3316.83772232897, 1441.4491940230312, 0.20667312469731042], [-1.3561874756381203e-09, 0.47552092720909644, 0.20667312468888546, 3.1833672519603224e-05]]}