{"coeffs": [-1.1845539288343652e-06, 0.23682393146877154, 1.9306364293135283, 0.16075734327669], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.532522563538383e-07, 72.35456754288137, 49.42426898904276, 0.0102504022434246], "covariance": [[2.0543760788984557e-13, -2.497045802200215e-05, -1.7061918211104452e-05, -4.042794525884606e-09], [-2.4970458022353487e-05, 5235.183444317382, 3576.0712591910124, 0.7158493716902443], [-1.7061918211450275e-05, 3576.0712591909723, 2442.7583651012537, 0.489043939096054], [-4.042794525922687e-09, 0.7158493716852652, 0.4890439390926402, 0.0001050707461520041]]}