{"coeffs": [-2.159575404794359e-06, 6.760090027309162e-05, 0.454795507822887, 0.15747950482698125], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.739416949300197e-07, 3.956348298684668e-06, 0.017702975959222943, 0.009564533555037547], "covariance": [[3.294090691791438e-13, -1.6669855693322386e-12, -6.623258465998834e-09, -4.80307633350287e-09], [-1.6669855693322362e-12, 1.5652691860505065e-11, 6.924425410819196e-08, 3.556965633765474e-08], [-6.623258465998824e-09, 6.924425410819196e-08, 0.00031339535781282554, 0.00015370602394060444], [-4.803076333502865e-09, 3.5569656337654765e-08, 0.00015370602394060455, 9.148030212543917e-05]]}