{"coeffs": [-3.3168021923711085e-06, 8.508523988283442e-05, 0.6243085067498687, 0.23662088771785297], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.0366437353470812e-06, 1.1762187612279326e-05, 0.05618424994399653, 0.02209653247600308], "covariance": [[1.074630234034349e-12, -1.0756677398245501e-11, -5.068161645683356e-08, -2.194176713556125e-08], [-1.0756677398245603e-11, 1.3834905742645724e-10, 6.601974553553409e-07, 2.528664055751486e-07], [-5.068161645683406e-08, 6.601974553553411e-07, 0.0031566699417694744, 0.001203801659735496], [-2.1941767135561364e-08, 2.528664055751476e-07, 0.0012038016597354909, 0.00048825674746305874]]}