{"coeffs": [-1.1567201262529548e-06, 0.276794120457458, 1.9294585812579357, 0.15837440866791305], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.694619927061602e-07, 116.57012084722497, 67.11752868120927, 0.012355380337103095], "covariance": [[3.242869611368709e-13, -5.015050513546738e-05, -2.888288189805032e-05, -6.089603547252466e-09], [-5.0150505134439396e-05, 13588.593074336635, 7823.897801198708, 1.389499088455172], [-2.8882881897554284e-05, 7823.897801198787, 4504.762656272948, 0.8001185795027954], [-6.0896035472037735e-09, 1.389499088464724, 0.8001185795082882, 0.00015265542327447376]]}