{"coeffs": [-5.91741157707453e-06, 0.00016343935448591716, 1.0581466204752727, 0.34205066668558554], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.1278069760350795e-06, 0.0004854419089654354, 1.512657673137093, 0.25899873042487587], "covariance": [[5.0805632287614346e-11, -3.2566569323314503e-09, -1.02270970699615e-05, -1.8118582356856575e-06], [-3.2566569323309784e-09, 2.3565384698000608e-07, 0.0007340388846093325, 0.00012404153804843166], [-1.022709706996014e-05, 0.0007340388846093405, 2.2881332361005247, 0.38802993298711286], [-1.8118582356855264e-06, 0.00012404153804844033, 0.3880299329871357, 0.06708034236169752]]}