{"coeffs": [-8.62892473103499e-06, 5.454067932988809e-05, 0.5157839232205822, 0.3380520183600156], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.9658341702016753e-06, 1.0230425787862513e-05, 0.08170911293417332, 0.06449505392738017], "covariance": [[8.796172325135859e-12, -2.852360444526817e-11, -2.1519830338448735e-07, -1.8798005176360284e-07], [-2.8523604445268085e-11, 1.0466161180096232e-10, 8.286502710764798e-07, 6.497956984383212e-07], [-2.1519830338448658e-07, 8.286502710764788e-07, 0.00667637913648949, 0.005035896062210006], [-1.8798005176360263e-07, 6.49795698438322e-07, 0.005035896062210018, 0.004159611981095676]]}