{"coeffs": [-9.645279631160682e-07, 0.19586742418500616, 1.7795380660469011, 0.14865539971342087], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.204748769539498e-06, 191.03119463769272, 146.13139902020058, 0.042191061602156785], "covariance": [[4.8609171367859305e-12, -0.00030719313023841666, -0.00023509109252068742, -7.8551921458311e-08], [-0.00030719313025736537, 36492.91732470404, 27915.650546381486, 7.760733306305062], [-0.0002350910925359494, 27915.65054637996, 21354.385779601078, 5.937669141896809], [-7.855192146074264e-08, 7.760733306109647, 5.937669141747687, 0.0017800856791169886]]}