{"coeffs": [-1.1565640887554334e-06, 0.12734195740674006, 1.712930734489738, 0.14823721162158568], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.0074350022219487e-07, 7.42223459283039, 8.721858620898885, 0.003853950415860603], "covariance": [[4.029795288145835e-14, -1.0849825320028875e-06, -1.275750298821752e-06, -6.525664089194841e-10], [-1.0849825319796413e-06, 55.0895663510081, 64.7356555542722, 0.027541304622753504], [-1.2757502987937144e-06, 64.73565555427395, 76.0708178029482, 0.032371742863468236], [-6.525664089125373e-10, 0.02754130462298756, 0.032371742863745355, 1.4852933807912116e-05]]}