{"coeffs": [-2.963824705356812e-07, 0.3012568215914238, 2.1657486642714145, 0.19709069960746586], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.4390694570171373e-06, 159.61384975721313, 105.29329687636347, 0.031977003201384274], "covariance": [[5.949059816153873e-12, -0.00032414905156127557, -0.0002138999443309216, -7.188767842837006e-08], [-0.00032414905155311294, 25476.581034318206, 16806.265853212764, 4.959472891198314], [-0.00021389994432576123, 16806.26585321321, 11086.678367094013, 3.272083998359385], [-7.188767842751838e-08, 4.95947289125571, 3.2720839983972536, 0.00102252873374134]]}