{"coeffs": [3.1793717725350844e-06, 1.2291416445680332, 1.8012168865110405, 0.12224851564677955], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [8.285781040396115e-07, 3703.9399918041117, 370.0074999629428, 0.015924152415080495], "covariance": [[6.865416744938772e-13, -0.0019709113791909513, -0.0001969044900189209, -1.0131879281978375e-08], [-0.0019709113803250164, 13719171.462885844, 1370485.5665657541, 56.51637569368237], [-0.00019690449013753508, 1370485.5665656356, 136905.5500288271, 5.645941701775845], [-1.013187928489407e-08, 56.51637568149513, 5.6459417005565795, 0.00025357863013871396]]}