{"coeffs": [-1.5043203337784882e-06, 0.05717214482667212, 1.7225899995063794, 0.1674775329464485], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.7252120797090203e-07, 1.7994698435966014, 5.321157070896804, 0.005323973122561726], "covariance": [[7.426780879391964e-14, -3.811345919637379e-07, -1.1282532126422466e-06, -1.2801339958736687e-09], [-3.811345919622032e-07, 3.2380917180135773, 9.575248007192744, 0.009258872913667938], [-1.1282532126383329e-06, 9.57524800719285, 28.314712573155063, 0.027391366943108345], [-1.2801339958720197e-09, 0.00925887291368406, 0.02739136694315464, 2.834468980975965e-05]]}