{"coeffs": [-6.974731123068558e-08, 0.3665689546611185, 1.380066895260589, 0.07500584530862871], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.834132110121536e-08, 654.3800899663717, 134.29195701792227, 0.0034942728996161278], "covariance": [[1.4700569037865022e-15, -1.111898851210439e-05, -2.282021153919187e-06, -7.513941827529186e-11], [-1.1118988514157717e-05, 428213.3021443967, 87877.98264651786, 2.1850642780859486], [-2.282021154307583e-06, 87877.9826465168, 18034.329719703484, 0.4484299404104365], [-7.513941828302084e-11, 2.185064277981239, 0.44842994038892453, 1.2209943096991702e-05]]}