{"coeffs": [-2.1662598848106837e-07, -4.637684711594332e-09, -0.279735230316307, 0.018976098864243385], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [4.160026827169998e-08, 2.5338981196915513e-08, 0.033668910415209224, 0.027163150470711227], "covariance": [[1.7305823202774082e-15, -3.1907892640240667e-17, 4.720330631408779e-10, -3.4106939116577543e-10], [-3.190789264024067e-17, 6.42063968097638e-16, 1.6745430419233557e-10, 1.2816367232721792e-10], [4.720330631408779e-10, 1.6745430419233557e-10, 0.0011335955285473843, -6.583920920494475e-05], [-3.4106939116577543e-10, 1.2816367232721792e-10, -6.583920920494475e-05, 0.0007378367434944997]]}