{"coeffs": [-5.68158773623257e-07, 0.2709738362686125, 1.8643308287404814, 0.14978981810851758], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.5234199569099844e-07, 107.20068149905686, 59.64039866380658, 0.01039500812067412], "covariance": [[2.0461328106571525e-13, -3.552506863772685e-05, -1.9769527977748083e-05, -3.983140625422904e-09], [-3.552506864009054e-05, 11491.986113862231, 6393.490894389667, 1.0732586980366818], [-1.9769527979093276e-05, 6393.490894389428, 3556.977152777781, 0.5971654627621712], [-3.983140625553935e-09, 1.0732586980080485, 0.5971654627462264, 0.00010805619382888091]]}