{"coeffs": [-3.029562005706966e-06, 0.00021882672850451207, 0.590445116789282, 0.15422986460207894], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.5268212279813306e-06, 2.5580812461166543e-05, 0.03381718081082509, 0.011914179513144182], "covariance": [[2.3311830622144182e-12, -2.916699507045388e-11, -3.7704410223118804e-08, -1.5912937832445992e-08], [-2.9166995070453866e-11, 6.543779661733735e-10, 8.629543032421844e-07, 2.896367767879069e-07], [-3.770441022311882e-08, 8.629543032421844e-07, 0.0011436017179920369, 0.000383033260576156], [-1.5912937832445986e-08, 2.896367767879069e-07, 0.000383033260576156, 0.00014194767347142456]]}