{"coeffs": [-8.040611705804331e-07, 8.67371489641437e-05, 0.5874114137551698, 0.15552177656883312], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.94386894683788e-08, 2.0422899461779177e-06, 0.006728324874065116, 0.0019896344913512332], "covariance": [[6.3105053844535175e-15, -1.1781704750214617e-13, -3.8614325521119306e-10, -1.3536140291595672e-10], [-1.1781704750214662e-13, 4.170948224259403e-12, 1.3714480539758139e-08, 3.860916817244166e-09], [-3.861432552111948e-10, 1.3714480539758139e-08, 4.5270355610963364e-05, 1.280440045447186e-05], [-1.353614029159569e-10, 3.86091681724416e-09, 1.2804400454471844e-05, 3.958645409174481e-06]]}