{"coeffs": [-2.7222634686791373e-06, 6.075071728545586e-05, 0.34121245807423045, 0.14908366896262354], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.408738239690648e-07, 1.1232942631228187e-06, 0.005100882349800254, 0.00483006166685659], "covariance": [[1.9436972866110596e-13, -3.5248686004113283e-13, -8.45759284766547e-10, -1.8673249466808233e-09], [-3.5248686004113283e-13, 1.2617900015646364e-12, 5.1576258409636205e-09, 4.985093738156269e-09], [-8.45759284766547e-10, 5.157625840963621e-09, 2.601900074650376e-05, 1.7585622259723914e-05], [-1.8673249466808233e-09, 4.98509373815627e-09, 1.7585622259723914e-05, 2.332949570563746e-05]]}