{"coeffs": [-1.4001868981485008e-07, 9.972320037887904e-09, -0.2988981009006302, 0.0017963883605899666], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.1271946713339897e-07, 7.126902682340126e-08, 136859.370592686, 140217.89001043516], "covariance": [[1.2705678270837411e-14, 2.4044572764682165e-18, 1.8553137276379737e-05, 1.9007860302271627e-05], [2.4044581675233753e-18, 5.0792741843546876e-15, 0.002427675381342453, 0.0024872502855421822], [1.8553140690250286e-05, 0.0024276753816627836, 18730487319.026165, 19190132172.662476], [1.9007865896827875e-05, 0.0024872502854527342, 19190132172.662476, 19661056678.978493]]}