{"coeffs": [-5.072591740871693e-06, 0.00011636125113418515, 0.39963746039364534, 0.1671184935085254], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.5212706649624984e-06, 6.18670303313483e-06, 0.016167454195830603, 0.01162365657591227], "covariance": [[2.314264436075442e-12, -7.156363002686579e-12, -1.4902307987946608e-08, -1.588895568256487e-08], [-7.1563630026865616e-12, 3.82752944201997e-11, 9.709283285439248e-08, 6.757768694764131e-08], [-1.4902307987946555e-08, 9.70928328543924e-08, 0.00026138657517428055, 0.000161830541532294], [-1.588895568256485e-08, 6.757768694764135e-08, 0.00016183054153229428, 0.00013510939219474858]]}