{"coeffs": [-4.3006348034553955e-06, 8.795769256845773e-05, 0.49123880387263774, 0.2051766136880972], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.317820552648616e-06, 3.596203575706741e-05, 0.14180482225858715, 0.08941943709495005], "covariance": [[5.355049764076649e-11, -2.230983358803047e-10, -8.011502183340533e-07, -6.17978589086601e-07], [-2.230983358803049e-10, 1.2932680157925951e-09, 5.047101382842523e-06, 3.0954653719526445e-06], [-8.011502183340545e-07, 5.047101382842524e-06, 0.020108607615789493, 0.011742613476710443], [-6.179785890866016e-07, 3.095465371952644e-06, 0.011742613476710437, 0.007995835730377729]]}