{"coeffs": [-2.3319020435611056e-07, 1.159645100811775e-05, 0.5855507574226425, 0.18767020517682598], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [8.12669291136976e-08, 9.832043224673686e-07, 0.02895429862100256, 0.011422110480200715], "covariance": [[6.604313767570752e-15, -6.552859896949958e-14, -1.883197323795232e-09, -8.584714706781053e-10], [-6.552859896949958e-14, 9.666907397185174e-13, 2.841106127105452e-08, 1.079092380847003e-08], [-1.8831973237952307e-09, 2.8411061271054525e-08, 0.0008383514086341908, 0.0003163461717216702], [-8.584714706781048e-10, 1.079092380847003e-08, 0.00031634617172167015, 0.00013046460782191102]]}