{"coeffs": [-2.2190417473012716e-06, 0.42654806429933506, 1.840511792803667, 0.14106524687802127], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.2078449133566958e-06, 612.7473547024567, 203.76518515756484, 0.02478075243829237], "covariance": [[1.4588893347216438e-12, -0.0005230584704547166, -0.00017397659583013916, -2.4706366552113658e-08], [-0.0005230584706135815, 375459.3206948583, 124856.57292823736, 14.599751242052799], [-0.000173976595884677, 124856.57292822193, 41520.25068229668, 4.855455233384724], [-2.4706366555774227e-08, 14.599751240276538, 4.855455232794986, 0.0006140856914079333]]}