{"coeffs": [-5.494587643314014e-07, 5.30425146683407e-05, 0.4321919973558403, 0.10932135941612572], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.8277659932016635e-07, 1.1225212339211616e-06, 0.005184707298099852, 0.0031061778163257573], "covariance": [[3.340728525904463e-14, -1.1257942167263243e-13, -3.7735935704512564e-10, -4.14262584023555e-10], [-1.1257942167263238e-13, 1.2600539206038872e-12, 5.629433521517608e-09, 3.136491292252516e-09], [-3.7735935704512564e-10, 5.6294335215176085e-09, 2.6881189766969868e-05, 1.3471977969431049e-05], [-4.142625840235549e-10, 3.136491292252516e-09, 1.3471977969431049e-05, 9.648340626634251e-06]]}