{"coeffs": [-1.065785313510304e-06, 0.2978378660306535, 2.1285655475806062, 0.1807723463468925], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.5131390952782173e-07, 90.98303559013662, 55.51028265066055, 0.009869873800050107], "covariance": [[2.0368424493328686e-13, -3.3041358090109097e-05, -2.016353587301997e-05, -4.020020386316128e-09], [-3.304135808854751e-05, 8277.912765196066, 5050.493684353032, 0.870046490845696], [-2.0163535872078034e-05, 5050.493684353177, 3081.3914799562253, 0.5308795250602858], [-4.020020386212879e-09, 0.8700464908630203, 0.5308795250707854, 9.741440882891554e-05]]}