{"coeffs": [2.9582992066794053e-07, 0.8548643196260128, 1.864896635489053, 0.1268193265298973], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.591765492208295e-07, 2691.356794485318, 400.93896404078714, 0.014881319330028783], "covariance": [[2.1084310335434886e-13, -0.0008143638605186223, -0.0001213280034443363, -5.35264210860059e-09], [-0.0008143638605167331, 7243401.395222287, 1079069.7992237848, 38.40642042587447], [-0.00012132800344638578, 1079069.7992237846, 160752.05288609958, 5.721687653897362], [-5.352642108549229e-09, 38.4064204258508, 5.721687653893386, 0.00022145366500228827]]}