{"coeffs": [-2.6796505747414813e-07, -1.4876987214325459e-08, -0.24831478873253426, 0.022708013546438362], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [7.307613495540054e-08, 4.8414453334637195e-08, 0.056105227858688905, 0.048326507925682265], "covariance": [[5.340121500019912e-15, -1.503534518477755e-16, 1.3833359256562324e-09, -1.11742253778461e-09], [-1.5035345184777544e-16, 2.3439592916917624e-15, 6.002155835977438e-10, 5.228283350884068e-10], [1.3833359256562326e-09, 6.002155835977438e-10, 0.0031477965930754017, -0.00011800250218382286], [-1.1174225377846097e-09, 5.228283350884068e-10, -0.00011800250218382286, 0.002335451368291031]]}