{"coeffs": [-1.1197486226824325e-06, 4.1641506724656406e-05, 0.3423398604743235, 0.14024360373781122], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.9271225908834228e-07, 3.1535619052899413e-07, 0.0019753260130126954, 0.0023803156043266166], "covariance": [[3.7138014802932364e-14, -4.30867020709127e-14, -3.7844042197279115e-11, -4.059754769527472e-10], [-4.308670207091267e-14, 9.944952690495924e-14, 4.6172630181644693e-10, 6.818875771739396e-10], [-3.784404219727885e-11, 4.6172630181644667e-10, 3.901912857684631e-06, 2.213800506427043e-06], [-4.0597547695274707e-10, 6.818875771739398e-10, 2.2138005064270467e-06, 5.665902376200786e-06]]}