{"coeffs": [-1.8894430773710647e-08, 0.02253080949123667, 1.2643041743066583, 0.07748851179898897], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.444024791326692e-08, 140.20532958548006, 481.38847832286694, 0.028795446924739225], "covariance": [[1.974935634592625e-15, -2.8273266380722467e-06, -9.709104230067046e-06, -7.333749665143642e-10], [-2.8273266378369634e-06, 19657.53444417309, 67493.22933689685, 3.8570776158449562], [-9.70910422913748e-06, 67493.229336898, 231734.86706200536, 13.24377359703004], [-7.333749664885383e-10, 3.857077615968177, 13.24377359745202, 0.0008291777635954737]]}