{"coeffs": [-7.030331211696623e-08, 5.237269268279819e-05, 0.6839833429104637, 0.11962855104264232], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.0503615995033915e-08, 4.30552065534289e-06, 0.015744084433447, 0.002496285720600315], "covariance": [[9.30470588772489e-16, -7.907993298813753e-14, -2.97576383243535e-10, -5.6294082726290664e-11], [-7.907993298813837e-14, 1.8537508113584265e-11, 6.766146216591068e-08, 1.0186433938325392e-08], [-2.97576383243537e-10, 6.766146216591065e-08, 0.00024787619464750814, 3.785089203294761e-05], [-5.6294082726290936e-11, 1.0186433938325361e-08, 3.785089203294751e-05, 6.231442398873035e-06]]}