{"coeffs": [-4.2982738582803894e-07, 0.0011777694380730472, 1.080683271260345, 0.15443054975475493], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.629423938902369e-07, 0.003181565076240355, 0.47909325774327316, 0.014787904068337512], "covariance": [[3.169041388388706e-13, -1.3349410709260483e-09, -2.0421160693565904e-07, -7.14531717739036e-09], [-1.3349410709260495e-09, 1.0122356334352296e-05, 0.001523785744730118, 4.532034703392937e-05], [-2.0421160693565676e-07, 0.001523785744730118, 0.22953034961506238, 0.006869694337590429], [-7.145317177390454e-09, 4.5320347033929384e-05, 0.006869694337590428, 0.00021868210673435314]]}