{"coeffs": [-9.6874010800035e-07, 0.07080139696305875, 2.0439017480663315, 0.18728864520804517], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.5792948292150425e-07, 11.210522426878407, 29.893768109763755, 0.0113048462167082], "covariance": [[6.652761816015456e-14, -2.361116293915363e-06, -6.298662098416658e-06, -2.6558424170331387e-09], [-2.361116293962506e-06, 125.67581308354374, 335.1246770909284, 0.1229351933428522], [-6.298662098544687e-06, 335.1246770909196, 893.6373718003285, 0.32787352116175894], [-2.6558424170578545e-09, 0.12293519334168981, 0.32787352115866597, 0.00012779954798342172]]}