{"coeffs": [-1.4294426116785803e-07, 1.7845530247995312e-05, 0.497067403030455, 0.13295639514537858], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.88423743107368e-08, 4.5425704656366297e-07, 0.0068602534367776125, 0.0029558244767742105], "covariance": [[1.5087300420953861e-15, -1.1516465566149742e-14, -1.6023707042681042e-10, -9.255274143202987e-11], [-1.1516465566149721e-14, 2.063494643527419e-13, 3.0940775502821465e-09, 1.2516675607108358e-09], [-1.6023707042681013e-10, 3.0940775502821465e-09, 4.706307721681904e-05, 1.866997506271006e-05], [-9.25527414320298e-11, 1.2516675607108366e-09, 1.866997506271007e-05, 8.736898337497536e-06]]}