{"coeffs": [-8.083138923374733e-07, 3.9800533648226843e-05, 0.474798173282096, 0.1272748990608445], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.5649565593586033e-07, 2.4372712833060657e-06, 0.013661333336032953, 0.004677657142334035], "covariance": [[2.449089032679518e-14, -3.3641483057556754e-13, -1.873926790320555e-09, -6.987660823045088e-10], [-3.3641483057556744e-13, 5.9402913084283956e-12, 3.327408059714589e-08, 1.1114795544024873e-08], [-1.8739267903205556e-09, 3.327408059714589e-08, 0.00018663202851820524, 6.22939859787952e-05], [-6.987660823045089e-10, 1.1114795544024873e-08, 6.22939859787952e-05, 2.188047634122861e-05]]}