{"coeffs": [-2.631905228952134e-06, 6.935368956277642e-05, 0.48068046958717703, 0.17521252859546108], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.992900429882133e-07, 5.575267976361463e-06, 0.026081762406400866, 0.012881018911009137], "covariance": [[4.890065642224572e-13, -3.031585162305532e-12, -1.3182612930616769e-08, -8.124086649882288e-09], [-3.0315851623055217e-12, 3.108361300824165e-11, 1.444928843984875e-07, 6.823399347631875e-08], [-1.3182612930616726e-08, 1.4449288439848744e-07, 0.0006802583302239455, 0.0003125408198232903], [-8.124086649882275e-09, 6.823399347631883e-08, 0.0003125408198232908, 0.00016592064818577503]]}