{"coeffs": [-1.3620141484263416e-07, 0.07228209168386564, 1.4272214187346906, 0.09180089243367331], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.1821622256371625e-08, 32.083335579508045, 40.98867250161405, 0.004091254286828411], "covariance": [[1.0126156430272059e-15, -5.269704865714332e-07, -6.734069552654109e-07, -8.360238081079858e-11], [-5.269704863803286e-07, 1029.340421907327, 1315.0532894820751, 0.1253512224364571], [-6.734069550302281e-07, 1315.0532894821995, 1680.0712734445717, 0.16015786895429635], [-8.360238079528598e-11, 0.12535122245053165, 0.16015786897224807, 1.6738361639491846e-05]]}