{"coeffs": [-9.984827021789493e-08, 0.2008982207182425, 1.5972555206480834, 0.10347114398652221], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.963219969297216e-08, 168.1387693106567, 86.8587317177902, 0.0045438921605659086], "covariance": [[2.4633552463630656e-15, -4.7292470485558975e-06, -2.4433975130704265e-06, -1.5666336812566488e-10], [-4.7292470477807175e-06, 28270.645745302234, 14604.320098139122, 0.7301826276621728], [-2.4433975126631684e-06, 14604.320098139558, 7544.439275623055, 0.37722171043708563], [-1.5666336811260207e-10, 0.730182627707909, 0.3772217104607482, 2.064695596685232e-05]]}