{"coeffs": [4.93609379999961e-08, 4.677673456624103e-05, 0.5176021862649183, 0.091852794123711], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.244035713672379e-08, 5.439056112878618e-07, 0.0023081555719504615, 0.000916346256376856], "covariance": [[1.0523767711581864e-15, -8.236706517097731e-15, -3.124679538970342e-11, -1.8577145514076148e-11], [-8.236706517097717e-15, 2.958333139904226e-13, 1.2435470988308189e-09, 4.553548507956545e-10], [-3.124679538970337e-11, 1.2435470988308187e-09, 5.327582144325962e-06, 1.9238031663222214e-06], [-1.8577145514076135e-11, 4.553548507956545e-10, 1.923803166322222e-06, 8.396904615758786e-07]]}