{"coeffs": [-2.8750842474127163e-06, 5.3256990995715555e-05, 0.5126273662492437, 0.20701237565956992], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.079546263405165e-07, 4.089542145409923e-06, 0.027080149721944866, 0.015496397363001964], "covariance": [[5.011997529569405e-13, -2.4608114033722775e-12, -1.5181651177003328e-08, -1.0364014267672666e-08], [-2.4608114033722646e-12, 1.6724354959083994e-11, 1.0999139258585137e-07, 6.108113505638393e-08], [-1.5181651177003212e-08, 1.0999139258585127e-07, 0.0007333345089629505, 0.0003934284116469598], [-1.0364014267672637e-08, 6.108113505638406e-08, 0.00039342841164696107, 0.0002401383312320542]]}