{"coeffs": [-1.011836864676777e-06, 0.35462099542798503, 2.174061700176928, 0.17425339746429067], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.277044339065604e-06, 849.5416614927176, 419.68618338712275, 0.041581598710703445], "covariance": [[1.6308422439395054e-12, -0.0008590262305201545, -0.00042443036801824717, -4.742894133089902e-08], [-0.0008590262304090053, 721721.0346118071, 356540.8887463011, 34.184540311651276], [-0.0004244303679654977, 356540.8887463173, 176136.4925260496, 16.88864574830285], [-4.742894132774111e-08, 34.18454031346261, 16.888645749193525, 0.0017290293513379743]]}