{"coeffs": [-5.416934417182029e-07, 4.558479960567061e-05, 0.44607063084366194, 0.11972769353488719], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.966853771137394e-07, 1.3952528166143553e-06, 0.00786581961693059, 0.004352106578845414], "covariance": [[3.868513757037389e-14, -1.6416781030872898e-13, -7.458521823893483e-10, -6.587036125930773e-10], [-1.6416781030872916e-13, 1.946730422270292e-12, 1.0742850263830756e-08, 5.5473520741369e-09], [-7.458521823893499e-10, 1.0742850263830758e-08, 6.187111824609008e-05, 2.976905064316461e-05], [-6.587036125930778e-10, 5.5473520741368975e-09, 2.9769050643164595e-05, 1.8940831673629536e-05]]}