{"coeffs": [-2.328077757331706e-06, 8.195363681562578e-05, 0.41133568158054684, 0.17282822546684942], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.234129949855152e-06, 9.8593527440384e-06, 0.03814310732441102, 0.026084105977782174], "covariance": [[4.991336632839783e-12, -1.7039503407783383e-11, -5.475518336781035e-08, -5.276157794133768e-08], [-1.70395034077834e-11, 9.720683653137754e-11, 3.675252071084338e-07, 2.4274752646860097e-07], [-5.475518336781043e-08, 3.6752520710843386e-07, 0.0014548966363615377, 0.0008748738916540839], [-5.27615779413377e-08, 2.4274752646860086e-07, 0.0008748738916540834, 0.0006803805846601717]]}