{"coeffs": [-1.6490948783484044e-06, 0.0002525526868073846, 0.7070350244273496, 0.16230662966769527], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.880949285661493e-07, 1.5063516425898958e-05, 0.016384825627794346, 0.0035394038848865646], "covariance": [[8.299868786553467e-14, -3.3258501605349223e-12, -3.6714124416499064e-09, -8.997297461706468e-10], [-3.3258501605349477e-12, 2.2690952711332774e-10, 2.4648457523457613e-07, 5.111176956128546e-08], [-3.6714124416499337e-09, 2.46484575234576e-07, 0.00026846251085322644, 5.6183750951163667e-05], [-8.997297461706521e-10, 5.1111769561285275e-08, 5.6183750951163484e-05, 1.2527379860350107e-05]]}