{"coeffs": [-1.9585250398786737e-06, 7.721309613754494e-05, 0.3897806297192582, 0.14352867839238556], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.0537462992430742e-07, 8.133973852981796e-07, 0.0029930341771648317, 0.0021944364649594747], "covariance": [[4.217873861654623e-14, -1.1572199006823005e-13, -3.0542320790326594e-10, -3.8556566436146575e-10], [-1.1572199006823013e-13, 6.616153064099151e-13, 2.331031048739324e-09, 1.645987898143041e-09], [-3.0542320790326656e-10, 2.3310310487393253e-09, 8.958253585676762e-06, 5.396382381402751e-06], [-3.8556566436146585e-10, 1.64598789814304e-09, 5.396382381402746e-06, 4.815551398743835e-06]]}