{"coeffs": [-2.2629126114220414e-07, 3.3773534388249746e-05, 0.5019973679811593, 0.1302115478985822], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.114740419782772e-08, 7.636057503098275e-07, 0.005980812130036639, 0.002511735200148375], "covariance": [[3.739005040132519e-15, -2.998109741934238e-14, -2.1719710335836636e-10, -1.2230353420748072e-10], [-2.9981097419342314e-14, 5.830937419062346e-13, 4.535838276298773e-09, 1.7866127886927774e-09], [-2.1719710335836612e-10, 4.535838276298773e-09, 3.57701137347934e-05, 1.385091001879366e-05], [-1.2230353420748065e-10, 1.7866127886927783e-09, 1.3850910018793664e-05, 6.308813715664399e-06]]}