{"coeffs": [-1.38507623216231e-06, 3.733302629347788e-05, 0.3552276122818966, 0.13803828215647942], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.0603138002053465e-06, 3.0967174970341818e-06, 0.022614228812329214, 0.019606645006663943], "covariance": [[1.1242653549059034e-12, -2.213427616844416e-12, -8.938106429315234e-09, -1.7666417869006446e-08], [-2.213427616844419e-12, 9.589659256437648e-12, 6.412354499346232e-08, 5.527035079203632e-08], [-8.938106429315256e-09, 6.412354499346234e-08, 0.0005114033447763807, 0.00032582186679760397], [-1.7666417869006456e-08, 5.52703507920363e-08, 0.0003258218667976037, 0.0003844205284173401]]}