{"coeffs": [-0.009607247011838842, 1.691157062640521e-08, -1.9876020550325402, 0.1416251567865366], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [4.873911187221468, 4.120664782896146e-08, 72.30248343619252, 0.09964871669256573], "covariance": [[23.755010260922585, -5.086026851622995e-08, 352.36607657990584, -0.20756243394981025], [-5.086026851561143e-08, 1.6979878253000543e-15, -7.783096659981808e-07, 2.7992527949697376e-09], [352.36607657988066, -7.783096660078608e-07, 5227.649111040894, -3.1634835166959254], [-0.2075624339474026, 2.7992527949710197e-09, -3.163483516660432, 0.009929866738475228]]}