{"coeffs": [-3.133634868731723e-07, -1.0442832197364377e-08, -0.2931614325088392, 0.031580342413311695], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [3.711820454579705e-08, 1.976226964555516e-08, 0.02435412278334038, 0.02105366309459607], "covariance": [[1.3777611087036285e-15, -5.3451238805851195e-17, 4.1380133199805145e-10, -3.455518929217459e-10], [-5.345123880585116e-17, 3.9054730154363084e-16, 1.055437151178053e-10, 1.0769763813313014e-10], [4.1380133199805145e-10, 1.0554371511780529e-10, 0.0005931232965460191, -7.39453245039916e-05], [-3.4555189292174586e-10, 1.0769763813313015e-10, -7.39453245039916e-05, 0.0004432567297007566]]}