{"coeffs": [-2.6660356735751113e-06, 4.666102931222631e-05, 0.3281503921511046, 0.15966127283893453], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.7584958573740655e-07, 8.435579469117002e-07, 0.0049716995649476655, 0.005153071181676123], "covariance": [[1.4126291109898012e-13, -2.3545227199587734e-13, -6.86575168877792e-10, -1.7376899354283717e-09], [-2.354522719958772e-13, 7.115900097978829e-13, 3.6885517413539718e-09, 4.026445535751923e-09], [-6.865751688777905e-10, 3.68855174135397e-09, 2.471779656410081e-05, 1.7593702577873178e-05], [-1.737689935428371e-09, 4.0264455357519245e-09, 1.7593702577873195e-05, 2.655414260342096e-05]]}