{"coeffs": [-4.435174830397994e-08, 6.359706713226212e-05, 0.6751000512279909, 0.21732272011441858], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.2561631597301236e-06, 2.4988106047470178e-05, 0.15101133978008172, 0.04629343697756766], "covariance": [[1.5779458838631682e-12, -2.7047614257970842e-11, -1.6338819178493507e-07, -5.502277995469826e-08], [-2.7047614257970858e-11, 6.244054438396156e-10, 3.7707266167718924e-06, 1.122240370452156e-06], [-1.6338819178493523e-07, 3.7707266167718937e-06, 0.022804424742175294, 0.006801767980353795], [-5.50227799546983e-08, 1.1222403704521565e-06, 0.006801767980353797, 0.0021430823071960287]]}