{"coeffs": [-4.237005246916275e-06, 0.008118163627528612, 2.0840069615768706, 0.2852299747750361], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.3117677492635781e-06, 0.23033858545498698, 8.385897469553461, 0.04359037847641994], "covariance": [[1.7207346280080335e-12, -2.768696671749955e-07, -1.0098894986867966e-05, -5.545201606613038e-08], [-2.7686966717396847e-07, 0.053055863949404335, 1.9315742915676921, 0.009867947707721304], [-1.0098894986829109e-05, 1.931574291567771, 70.32327636986314, 0.3595743532405127], [-5.54520160660203e-08, 0.009867947707737605, 0.35957435324109144, 0.0019001210957175347]]}