{"coeffs": [-1.550523417684074e-06, 0.2693221620823957, 2.069697827625097, 0.17317136246121986], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.296297533662694e-07, 118.05756411717283, 76.6457363892024, 0.013136718642375915], "covariance": [[2.805076756508154e-13, -4.9364846089109334e-05, -3.205605473603188e-05, -6.202632833066412e-09], [-4.936484608057461e-05, 13937.588445280375, 9048.608346287276, 1.5004848207052457], [-3.205605473059399e-05, 9048.608346288176, 5874.568906643104, 0.9742418205717966], [-6.202632832537682e-09, 1.5004848208132737, 0.9742418206417575, 0.00017257337668894688]]}