{"coeffs": [-2.571061595811123e-07, 9.541706172840355e-06, 0.4230463683386834, 0.18092792666156304], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.207648868321032e-08, 4.3523128351645495e-07, 0.014996795095613916, 0.009817687164797199], "covariance": [[8.478079768229358e-15, -3.168240182352041e-14, -9.39163666393526e-10, -8.267163356918499e-10], [-3.168240182352032e-14, 1.8942627015138078e-13, 6.412729209510994e-09, 4.053581509709629e-09], [-9.39163666393522e-10, 6.4127292095109895e-09, 0.00022490386313982961, 0.00013185712374928044], [-8.267163356918484e-10, 4.053581509709633e-09, 0.00013185712374928071, 9.638698126582365e-05]]}