{"coeffs": [-6.718543536469865e-07, 0.307828980599794, 2.0148371546420845, 0.17234310776065997], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [7.346532109258831e-07, 95.22216702941219, 53.66169198693293, 0.0120742717494305], "covariance": [[5.3971534032371e-13, -5.5111876557188475e-05, -3.106681170032839e-05, -7.89675358480325e-09], [-5.511187656803176e-05, 9067.261093777275, 5109.782056255039, 1.1122119645224526], [-3.106681170646733e-05, 5109.7820562542975, 2879.577186900462, 0.6268535876396516], [-7.896753585555748e-09, 1.112211964430858, 0.6268535875881887, 0.00014578803827909546]]}