{"coeffs": [-7.775681297470594e-05, 0.007694985664754196, 12.698233409200595, 2.7850010386291095], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 9.9999999999999995e-08, "errors": [0.0062426141335165134, 46.817411938491624, 18507.050787170785, 387.7029984612345], "covariance": [[3.8970231219980135e-05, -0.29218621268349887, -115.50416065460351, -2.4201208884822583], [-0.29218625099613255, 2191.870060618418, 866451.9255399262, 18150.059953377597], [-115.504175252755, 866451.9214370499, 342510928.83891875, 7174833.858168258], [-2.420121047164946, 18150.058763845544, 7174833.42191754, 150313.61501583198]]}