{"coeffs": [-2.589946161218281e-09, 0.08249818916279125, 1.3954592904014134, 0.07717556545279255], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.604370478584439e-08, 1357.9153444906656, 1273.0517821693363, 0.022445038771690302], "covariance": [[1.2991486546891019e-15, -2.118149833597148e-05, -1.9858882533234645e-05, -4.4502453112914046e-10], [-2.118149832395214e-05, 1843934.082803203, 1728696.54668517, 29.10564126393671], [-1.9858882521194668e-05, 1728696.5466852307, 1620660.8400845234, 27.287139763162557], [-4.450245309913217e-10, 29.105641269650977, 27.287139768545007, 0.000503779765462681]]}