{"coeffs": [-9.898241397448791e-07, 0.30834168456236344, 2.044790419906316, 0.17010159845621683], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.1993287241255753e-07, 74.39584672395586, 41.240801530890685, 0.006960302082142849], "covariance": [[1.0235704285014981e-13, -1.863601821490925e-05, -1.0333097541758507e-05, -1.974401892910937e-09], [-1.863601821996034e-05, 5534.742009774333, 3068.1441508492994, 0.5006953661019804], [-1.0333097544517146e-05, 3068.1441508488456, 1700.8037109103157, 0.2775831626305646], [-1.9744018931782038e-09, 0.5006953660476152, 0.2775831626005562, 4.844580507468207e-05]]}