{"coeffs": [-1.0810631238290276e-07, 0.05776769973186076, 1.239567089672165, 0.07306068756119667], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.3275385660683302e-08, 14.96540769836964, 18.90324692504498, 0.002554871911737194], "covariance": [[5.417435776535419e-16, -1.514865487087308e-07, -1.9141301510533712e-07, -3.277316439389394e-11], [-1.5148654872670698e-07, 223.9634275784213, 282.8947807645925, 0.03654812202675409], [-1.9141301512924185e-07, 282.8947807645823, 357.3327443092224, 0.0461698133433576], [-3.2773164395735746e-11, 0.03654812202555549, 0.04616981334183701, 6.527370485383665e-06]]}