{"coeffs": [-2.1321120829498266e-06, 5.7687025729815256e-05, 0.34707787636069337, 0.13328649832924644], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.7139111060737386e-07, 1.0120117014590006e-06, 0.004716062671134732, 0.0042279236309246335], "covariance": [[1.3793135703817862e-13, -2.467031398426037e-13, -5.568817131239954e-10, -1.3183859907161392e-09], [-2.4670313984260376e-13, 1.0241676838899412e-12, 4.285879728850518e-09, 3.863883566646008e-09], [-5.568817131239954e-10, 4.285879728850518e-09, 2.2241247118070465e-05, 1.3959488014656617e-05], [-1.3183859907161394e-09, 3.863883566646008e-09, 1.3959488014656616e-05, 1.7875338228930934e-05]]}