{"coeffs": [-6.347848795294147e-07, 0.2323911370936868, 1.7150870347523017, 0.13923606725624657], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.300103854766488e-07, 67.13231646445898, 40.53025255585633, 0.010788466174843154], "covariance": [[3.969130858084356e-13, -2.9649994575488617e-05, -1.7908430181517485e-05, -5.577427617453111e-09], [-2.9649994572409673e-05, 4506.747913884271, 2720.889282490668, 0.6961089808420153], [-1.790843017961589e-05, 2720.8892824908903, 1642.7013722414986, 0.4203365428803921], [-5.5774276171464796e-09, 0.6961089808701151, 0.4203365428973558, 0.00011639100240573489]]}