{"coeffs": [-3.0850919150797453e-07, -4.177389749215187e-09, -0.33647968335537237, 0.022432406058997115], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.798377998745051e-08, 8.329737391413188e-09, 0.00896389124962911, 0.007928302391052466], "covariance": [[3.234163426370254e-16, -8.133534202066905e-18, 6.980439178392733e-11, -5.891879844590411e-11], [-8.133534202066904e-18, 6.9384525009907e-17, 1.3311525387539504e-11, 1.3527590916385908e-11], [6.980439178392733e-11, 1.33115253875395e-11, 8.035134633517732e-05, -1.0668180636631318e-05], [-5.891879844590411e-11, 1.3527590916385908e-11, -1.0668180636631316e-05, 6.285797880396825e-05]]}