{"coeffs": [-3.0817595910007182e-06, 0.06712173479829596, 3.091427438325584, 0.3045527317238847], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [4.574664117835923e-06, 391.8913021427488, 1790.7013946018806, 0.43291363496033763], "covariance": [[2.0927551791015527e-11, -0.0016462196507480203, -0.007523272304915982, -1.922353172206258e-06], [-0.001646219651130177, 153578.79269513927, 701760.2572831042, 166.79381060417097], [-0.0075232723066419845, 701760.2572829615, 3206611.4846291197, 762.1949018075958], [-1.9223531724260643e-06, 166.7938105863498, 762.1949017264067, 0.18741421533457248]]}