{"coeffs": [4.622385024384335e-09, 0.02984144559738541, 1.2667171315504349, 0.07164005820863655], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [3.84513330202543e-08, 214.58668957713118, 512.9730348977854, 0.02410851442503466], "covariance": [[1.4785050110344985e-15, -3.388296649018047e-06, -8.100903474839598e-06, -4.855842170660468e-10], [-3.3882966507993113e-06, 46047.44734367206, 110077.18442953142, 4.944223150116447], [-8.100903478941013e-06, 110077.18442952403, 263141.3345322446, 11.819730241557858], [-4.855842172083991e-10, 4.944223149349124, 11.8197302397251, 0.0005812204677821044]]}