{"coeffs": [-2.5986216511577415e-06, 7.558921974629363e-05, 0.3676476822804602, 0.1561569140684679], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.3552437460991403e-07, 1.0634901578762586e-06, 0.004071109189359043, 0.0033992394798211456], "covariance": [[1.1257660595737392e-13, -2.6131650761706313e-13, -6.755503459930516e-10, -1.0096890558397063e-09], [-2.6131650761706313e-13, 1.1310113158996693e-12, 4.079514125731152e-09, 3.3578112179507643e-09], [-6.755503459930516e-10, 4.0795141257311526e-09, 1.6573930031683646e-05, 1.1007991470829553e-05], [-1.0096890558397065e-09, 3.357811217950765e-09, 1.1007991470829553e-05, 1.1554829041174733e-05]]}