{"coeffs": [-1.6836976326866326e-06, 0.2591212523714892, 1.938720109538874, 0.1749975262379063], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.995101398287043e-06, 82.87948832614246, 56.48152745354204, 0.022310826312244708], "covariance": [[3.980429589446914e-12, -0.0001311853759362871, -8.944268336662642e-05, -3.980839734219095e-08], [-0.00013118537593679447, 6869.0095852031845, 4681.158791976538, 1.7896416255484981], [-8.944268336696995e-05, 4681.158791976526, 3190.1629434852234, 1.2198584557435361], [-3.9808397342294556e-08, 1.7896416255467935, 1.2198584557423855, 0.0004977729707351507]]}