{"coeffs": [-2.888610254078711e-06, 9.599065270746702e-05, 0.34013721328391544, 0.1486468002105662], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.487252572646451e-07, 1.6386245477705675e-06, 0.00476887287174624, 0.00453644182226193], "covariance": [[4.2084445941308e-13, -7.551838911273003e-13, -1.1443293879462841e-09, -2.5787691609239675e-09], [-7.551838911273013e-13, 2.6850904085562973e-12, 7.016108791543194e-09, 6.825618854334093e-09], [-1.144329387946288e-09, 7.016108791543199e-09, 2.274214846687723e-05, 1.534934270136675e-05], [-2.5787691609239696e-09, 6.825618854334092e-09, 1.534934270136673e-05, 2.057930440676714e-05]]}