{"coeffs": [-2.563614242227964e-07, 3.686388909773964e-05, 0.6732441504735527, 0.15634733257306643], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.4782406629316136e-08, 5.046460062762576e-06, 0.034297939404755576, 0.005952194760262081], "covariance": [[3.0011120760997403e-15, -2.07665293713479e-13, -1.4419343835203042e-09, -2.8332669915642795e-10], [-2.0766529371348142e-13, 2.5466759165057665e-11, 1.7284620066251542e-07, 2.8797584188625814e-08], [-1.4419343835203157e-09, 1.7284620066251526e-07, 0.001176348647412285, 0.00019811906005326934], [-2.8332669915642955e-10, 2.8797584188625642e-08, 0.0001981190600532683, 3.542862246409137e-05]]}