{"coeffs": [-9.666424449340992e-06, 0.034513491251723656, 2.058263940967422, 0.26250351803413347], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.736309399083401e-06, 1.4635429847626429, 11.445669428139347, 0.04088132689513442], "covariance": [[1.3960007925678965e-11, -4.9320527499337016e-06, -3.863297686618841e-05, -1.4704284301981455e-07], [-4.932052749934164e-06, 2.1419580682479458, 16.75111372084747, 0.05866748156338915], [-3.863297686619153e-05, 16.75111372084747, 131.00334865824368, 0.4591476492601602], [-1.4704284301982313e-07, 0.05866748156338914, 0.4591476492601602, 0.0016712828887068408]]}