{"coeffs": [-6.703328122416443e-06, 0.012358097778168485, 3.3573844636660315, 0.46165803122062543], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.1544401653952514e-06, 1.0546604481904864, 40.14734919527206, 0.11821081622882239], "covariance": [[4.641612426268319e-12, -2.1974519133465014e-06, -8.369199772953153e-05, -2.52230573262113e-07], [-2.1974519133746546e-06, 1.1123086609773576, 42.341736976899966, 0.12372092708563726], [-8.369199773058295e-05, 42.34173697689579, 1611.8096474071117, 4.710794173104526], [-2.5223057326371364e-07, 0.12372092708487756, 4.710794173076071, 0.01397379707348442]]}