{"coeffs": [1.5519443216621764e-09, 4.375576381874843e-06, 0.5307395098181601, 0.09794095691972204], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.6650269555062126e-08, 1.8811696300176598e-06, 0.06939728661410144, 0.013201209968497723], "covariance": [[7.102368673574713e-16, -4.083389808455572e-14, -1.5265662035915116e-09, -3.1899807740412703e-10], [-4.083389808455626e-14, 3.538799176900779e-12, 1.3043653287694678e-07, 2.4091146260767048e-08], [-1.5265662035915345e-09, 1.304365328769467e-07, 0.004815983389399744, 0.0008957032359775056], [-3.189980774041294e-10, 2.4091146260766905e-08, 0.0008957032359775012, 0.00017427194463236364]]}