{"coeffs": [-4.35971342681505e-06, 5.130635244269955e-05, 1.2208923591124583, 0.6096301002274558], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [8.510066498933357e-06, 0.000264057911607072, 4.74845792832988, 1.1314197648708473], "covariance": [[7.242123181626785e-11, -2.117287613328861e-09, -3.8274964131676676e-05, -9.457228148377273e-06], [-2.1172876133287366e-09, 6.972658068228825e-08, 0.001253547705888718, 0.0002947125617983399], [-3.827496413167451e-05, 0.0012535477058887206, 22.547852697118895, 5.315321840488941], [-9.457228148376982e-06, 0.0002947125617983476, 5.315321840489068, 1.280110684340403]]}