{"coeffs": [-9.98670744824637e-07, 0.22435765415130746, 2.0296984449437123, 0.16742443624067316], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.1704866536500023e-07, 107.86832484108511, 80.94366863081824, 0.013019436727195402], "covariance": [[1.7392958928272794e-13, -3.495324494661269e-05, -2.62345303126945e-05, -4.789846235606122e-09], [-3.4953244945660755e-05, 11635.57550402186, 8731.257414623824, 1.357234927566706], [-2.6234530311918412e-05, 8731.25741462397, 6551.877491415709, 1.0185539243779433], [-4.789846235523541e-09, 1.3572349275842384, 1.0185539243912072, 0.00016950573269344452]]}