{"coeffs": [-4.106366014628279e-06, 8.545645337700344e-05, 0.6387900849405299, 0.24601806953157776], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.26581190677388e-07, 6.195452146798355e-06, 0.03018356253901083, 0.011604382740780994], "covariance": [[2.7728775037521576e-13, -2.9049083635489335e-12, -1.399769888489374e-08, -5.876149405273166e-09], [-2.9049083635489113e-12, 3.8383627303268343e-11, 1.8685077461272607e-07, 7.007683977015989e-08], [-1.3997698884893641e-08, 1.8685077461272604e-07, 0.0009110474475463778, 0.0003405392818136585], [-5.8761494052731445e-09, 7.007683977016014e-08, 0.00034053928181365976, 0.0001346616987945358]]}