{"coeffs": [-6.937261657948059e-07, 2.6122658219276472e-05, 0.532853882687421, 0.18893548901678323], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.334776369329171e-08, 3.8441763505101155e-07, 0.005084075697889242, 0.0020686087623475067], "covariance": [[1.112073343343625e-15, -1.0310900827228935e-14, -1.3217484212642286e-10, -6.317212939509851e-11], [-1.0310900827228889e-14, 1.477769181382127e-13, 1.949446397377269e-09, 7.615296518132192e-10], [-1.3217484212642231e-10, 1.9494463973772686e-09, 2.5847825701867982e-05, 1.000886013388953e-05], [-6.317212939509836e-11, 7.615296518132204e-10, 1.0008860133889547e-05, 4.279142211660883e-06]]}