{"coeffs": [-6.636716009193055e-07, 5.684923777753349e-05, 0.4742869087063962, 0.13693134765708187], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.1555949439660571e-07, 1.0487341087588628e-06, 0.005132753383516174, 0.0024742913210686955], "covariance": [[1.3353996745199147e-14, -8.093601897595884e-14, -3.5429944980017564e-10, -2.3508515342670117e-10], [-8.093601897595889e-14, 1.0998432308742465e-12, 5.329154991060182e-09, 2.415964532120403e-09], [-3.542994498001759e-10, 5.3291549910601825e-09, 2.634515729599673e-05, 1.1545539551885684e-05], [-2.3508515342670117e-10, 2.415964532120403e-09, 1.154553955188568e-05, 6.1221175415158695e-06]]}