{"coeffs": [2.1265602898234215e-08, 0.1585714371830261, 1.2924743615877274, 0.06836284277753382], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.961288406367548e-08, 396.72567933667625, 171.72414771750218, 0.006024937682805118], "covariance": [[1.5691805838421947e-15, -6.526365628736088e-06, -2.825257346376754e-06, -1.2594637075643524e-10], [-6.526365629117137e-06, 157391.26464514728, 68127.37881410672, 2.2867011976763556], [-2.8252573465518686e-06, 68127.37881410604, 29489.18290930251, 0.9898372909157288], [-1.2594637075707214e-10, 2.2867011976066416, 0.9898372908857723, 3.629987408168511e-05]]}