{"coeffs": [-5.002911109269831e-08, 0.6152596083367665, 1.8019106939305605, 0.12011794570885098], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.5985941349029273e-07, 1685.6034665104125, 330.3992067463089, 0.011873838494769567], "covariance": [[6.752691477951893e-14, -0.00027768779751109247, -5.4434800245928945e-05, -2.3458544927432912e-09], [-0.0002776877972427572, 2841259.046311919, 556922.0453136738, 19.17035938166927], [-5.443480019384005e-05, 556922.0453137386, 109163.63581859018, 3.7577435653228997], [-2.345854491622624e-09, 19.170359388227133, 3.757743566607557, 0.0001409880405998716]]}