{"coeffs": [-3.738671531529526e-07, 0.4039761598297873, 1.9184648944073697, 0.15357565110091034], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.4961258605072304e-06, 462.53229132611466, 176.83847643416541, 0.026765961732260556], "covariance": [[2.238392590478501e-12, -0.0005140681464728854, -0.00019658807825885985, -3.425823732004997e-08], [-0.0005140681465993863, 213936.1205193858, 81793.50092714338, 11.932142264351672], [-0.00019658807830773972, 81793.50092713382, 31271.84674755688, 4.562407671694116], [-3.4258237324258024e-08, 11.932142263217933, 4.562407671261232, 0.0007164167074528365]]}