{"coeffs": [-7.332499608509272e-06, 0.00010011708451928207, 0.45459745657346246, 0.21000021900445665], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.8428574813149417e-06, 6.646871311175449e-06, 0.02186401923863114, 0.01683784568912638], "covariance": [[3.3961236964384503e-12, -1.0463712850621338e-11, -2.971564202610051e-08, -2.944832492114184e-08], [-1.0463712850621338e-11, 4.4180898227327234e-11, 1.4225150859431118e-07, 1.0775573187672176e-07], [-2.9715642026100537e-08, 1.4225150859431118e-07, 0.0004780353372672326, 0.0003312525488928435], [-2.9448324921141833e-08, 1.0775573187672175e-07, 0.0003312525488928435, 0.00028351304745083183]]}