{"coeffs": [-2.0170185388274568e-06, 0.7362178396791733, 1.4330791085496168, 0.07927848092254512], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.4858298125071484e-06, 31219.556453104757, 3375.681258317271, 0.07763162979411867], "covariance": [[2.207690231735028e-12, -0.021391801506010336, -0.002313196766519801, -6.710103343017462e-08], [-0.021391801495636558, 974660705.1285949, 105387271.35107045, 2314.8891650754435], [-0.002313196765496836, 105387271.35107386, 11395223.957754474, 250.30779067762387], [-6.710103341505001e-08, 2314.889165404032, 250.30779071305926, 0.006026669944491093]]}