{"coeffs": [-4.61110560383952e-06, 8.71000399052261e-05, 0.4420137965721271, 0.18609536038196356], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.0097414357594691e-06, 3.5872026782249803e-06, 0.012748194244970243, 0.009938087940756396], "covariance": [[1.019577767089594e-12, -2.966624420931022e-12, -8.66091293040969e-09, -9.354791301586114e-09], [-2.966624420931015e-12, 1.286802305466447e-11, 4.443187785137198e-08, 3.3994693092559756e-08], [-8.660912930409657e-09, 4.443187785137195e-08, 0.00016251645650749243, 0.0001108225872190014], [-9.354791301586104e-09, 3.399469309255979e-08, 0.0001108225872190016, 9.876559191820772e-05]]}