{"coeffs": [-3.7515491826605785e-08, 5.750893222645822e-06, 0.5179773161301687, 0.12912738207264018], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.0783653148278567e-07, 5.969582953835468e-07, 0.027755128711823916, 0.017106912413597998], "covariance": [[1.1628717522237825e-14, -4.326899211422709e-14, -1.608220950749409e-09, -1.5358106799846782e-09], [-4.326899211422711e-14, 3.563592064272299e-13, 1.616585521915264e-08, 9.441283371705079e-09], [-1.6082209507494111e-09, 1.616585521915264e-08, 0.0007703471698099123, 0.00041087766379390475], [-1.5358106799846794e-09, 9.441283371705077e-09, 0.0004108776637939045, 0.0002926464523265133]]}