{"coeffs": [7.213960825103909e-08, 0.017108826746523174, 1.422706941760034, 0.10003395826910967], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [5.8295118043507395e-08, 25.611415059759146, 150.81430126002203, 0.022527823724267856], "covariance": [[3.3983207877064613e-15, -7.874037697120854e-07, -4.638293102732939e-06, -8.601146602913503e-10], [-7.874037697514464e-07, 655.9445813632575, 3862.567391568352, 0.5507202229343777], [-4.638293103006443e-06, 3862.567391568271, 22744.953464548682, 3.2433294175704934], [-8.601146603167016e-10, 0.550720222924791, 3.2433294175142118, 0.0005075028417516857]]}