{"coeffs": [-2.5880344268761194e-06, 7.103451360832706e-05, 0.44950198510939643, 0.1632994395655623], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.337234585799056e-07, 4.697725311024704e-06, 0.020404779179358914, 0.011402034362115792], "covariance": [[5.383501136704584e-13, -2.584522591330139e-12, -9.942088297373338e-09, -7.415120513521617e-09], [-2.5845225913301365e-12, 2.206862309784215e-11, 9.471316006454752e-08, 5.0479668696545275e-08], [-9.942088297373327e-09, 9.47131600645475e-08, 0.0004163550133583991, 0.00021106257898522975], [-7.4151205135216155e-09, 5.0479668696545295e-08, 0.00021106257898522983, 0.0001300063875948693]]}