{"coeffs": [3.2162329507975173e-07, 0.36975725811456117, 1.7793203714418027, 0.1382512142501995], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.663271090772263e-07, 142.0571808701929, 53.443867532830595, 0.008441569541408362], "covariance": [[2.1746097266032332e-13, -4.6238150908237194e-05, -1.7400165633544677e-05, -3.219774117991792e-09], [-4.623815090697682e-05, 20180.2426367867, 7592.084642470225, 1.1523884928649442], [-1.7400165632952665e-05, 7592.084642470339, 2856.2469768667443, 0.4335902586805434], [-3.2197741179434475e-09, 1.1523884928783397, 0.4335902586855883, 7.126009632243338e-05]]}