{"coeffs": [-4.915250778212497e-07, 0.15417212891153292, 1.527198635731652, 0.11634088302748005], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.4581711923596717e-07, 27.696325414352582, 21.04483510515673, 0.005790008782847016], "covariance": [[6.042605610946969e-14, -4.21737872761178e-06, -3.206197049342707e-06, -1.062483364970166e-09], [-4.2173787272613114e-06, 767.0864414577128, 582.8644873329399, 0.15351181353457816], [-3.206197049088783e-06, 582.8644873329732, 442.8850846032371, 0.11666672632664597], [-1.0624833649266783e-09, 0.15351181353885152, 0.11666672632986955, 3.352420170544558e-05]]}