{"coeffs": [-0.0011612116924094016, 1.0467524594567709e-08, -2.002112956984856, 0.16893524293855508], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.817392061012847, 1.678219740389953e-08, 264.9448904992316, 0.08544081870613698], "covariance": [[3.3029139034325232, -1.352593169446156e-08, 481.5077078452821, -0.1065174644984012], [-1.3525931693538247e-08, 2.8164214970345213e-16, -1.9776496672628146e-06, 1.1133675230464096e-09], [481.5077078452362, -1.977649667391519e-06, 70195.79500164982, -15.562478035250068], [-0.10651746449321162, 1.1133675230544717e-09, -15.562478034494998, 0.007300133501174967]]}