{"coeffs": [-1.1875013173073366e-05, 0.00012467336064675132, 2.165456789698161, 0.9833808613861161], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.1308188108017228e-05, 0.0004983333660838743, 5.581212352317729, 1.094115763472021], "covariance": [[1.2787511828630224e-10, -5.59357089647985e-09, -6.270973495431765e-05, -1.2348923596663221e-05], [-5.593570896486658e-09, 2.483361437524847e-07, 0.0027811965586469916, 0.0005442357990066923], [-6.270973495438872e-05, 0.0027811965586467596, 31.149931321663992, 6.098290114679859], [-1.2348923596670841e-05, 0.000544235799006368, 6.098290114676735, 1.1970893038779635]]}