{"coeffs": [-1.9786013714421817e-08, 0.03381797128031012, 1.266994969401687, 0.07212163107138755], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.8011690589701436e-08, 186.86711914893723, 397.7294007649259, 0.019868191200744026], "covariance": [[1.4448886214871966e-15, -2.9306925411791658e-06, -6.2386216854293064e-06, -3.973533237196006e-10], [-2.9306925406116092e-06, 34919.3202190231, 74322.54658884938, 3.548002048132507], [-6.238621684185061e-06, 74322.54658885158, 158188.67623282704, 7.551921027000066], [-3.9735332367637356e-10, 3.5480020483599986, 7.551921027486807, 0.0003947450215893223]]}