{"coeffs": [-7.002754233262873e-07, -7.83252878693249e-09, -0.17793694714131372, 0.0959523127340471], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [3.792060611693255e-08, 2.2855114891646773e-08, 0.018150470990482972, 0.017140392408636462], "covariance": [[1.4379723682755421e-15, -3.107580320889973e-16, 4.4913317249470423e-10, -4.811172815060083e-10], [-3.1075803208899726e-16, 5.22356276710374e-16, 9.03601504166591e-11, 2.462376289785478e-10], [4.4913317249470434e-10, 9.036015041665901e-11, 0.00032943959717636386, -9.211677877976536e-05], [-4.811172815060083e-10, 2.462376289785479e-10, -9.211677877976527e-05, 0.00029379305192204244]]}