{"coeffs": [-4.031614824019868e-07, -2.784159840119097e-08, -0.24778812499133, 0.017592340517920704], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.0061644541380705e-08, 3.328043404352141e-08, 0.022420407054645906, 0.021270720498250704], "covariance": [[2.5061682541875523e-15, -6.361879669430188e-17, 3.155586562349952e-10, -2.910979804536969e-10], [-6.361879669430186e-17, 1.107587290125179e-15, 1.5163647647584057e-10, 1.4946843686583554e-10], [3.155586562349952e-10, 1.5163647647584055e-10, 0.0005026746524960159, 1.353017472094376e-05], [-2.9109798045369694e-10, 1.4946843686583554e-10, 1.3530174720943753e-05, 0.00045244355051470264]]}