{"coeffs": [-7.993591473274572e-08, 3.246549906397192e-05, 0.678913109107848, 0.0916085596792521], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.191585457839982e-08, 7.508550959075931e-06, 0.03542904916660434, 0.006286726043154852], "covariance": [[3.833573048173554e-15, -2.3452485891944504e-13, -1.1354571819068076e-09, -2.49795925674278e-10], [-2.3452485891944494e-13, 5.637833750504007e-11, 2.6543941299433977e-07, 4.447346543279015e-08], [-1.135457181906806e-09, 2.654394129943397e-07, 0.0012552175248496675, 0.00021349018511734787], [-2.497959256742782e-10, 4.4473465432790144e-08, 0.00021349018511734787, 3.952292434168147e-05]]}