{"coeffs": [-1.7538670691698417e-06, 6.193858000938639e-05, 0.47224387967945214, 0.1581281618575776], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.5610674766265757e-07, 3.6872807414165646e-06, 0.018102876399555164, 0.009017682495962073], "covariance": [[2.0803336526340719e-13, -1.2371002060688076e-12, -5.535638041841671e-09, -3.5948684287816393e-09], [-1.2371002060688058e-12, 1.359603926602149e-11, 6.619754198947837e-08, 3.132356226787133e-08], [-5.5356380418416586e-09, 6.619754198947834e-08, 0.0003277141339375714, 0.00015005057806489065], [-3.5948684287816364e-09, 3.1323562267871366e-08, 0.0001500505780648908, 8.131859759798077e-05]]}