{"coeffs": [-7.067127110478489e-07, 4.387707078637025e-05, 0.45731223383347847, 0.14090375956511633], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.0523994582639568e-07, 7.943010777587995e-07, 0.005149538612042205, 0.0027008976992071057], "covariance": [[1.1075446197542698e-14, -5.703535769852312e-14, -3.227342872384615e-10, -2.377120831631801e-10], [-5.70353576985231e-14, 6.309142021287904e-13, 4.037829736449472e-09, 1.997180472340136e-09], [-3.227342872384612e-10, 4.037829736449471e-09, 2.6517747916913552e-05, 1.2508806925138136e-05], [-2.3771208316318e-10, 1.997180472340136e-09, 1.2508806925138141e-05, 7.294848381582238e-06]]}