{"coeffs": [2.0675070782991377e-07, 0.8433632214072873, 1.925573022734804, 0.13326546305094536], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.408121890214268e-07, 2356.3009092434245, 373.78575016929483, 0.014284226226954994], "covariance": [[1.943153859898621e-13, -0.0007077283324830767, -0.00011227768361395675, -5.059153162600201e-09], [-0.0007077283318613563, 5552153.974901388, 880751.6981080896, 32.31266433914856], [-0.00011227768351169848, 880751.6981082002, 139715.7870296225, 5.125993724608914], [-5.059153160292938e-09, 32.3126643503439, 5.12599372638914, 0.0002040391189028289]]}