{"coeffs": [-2.8953495765782388e-06, 0.00010115676595444926, 0.421990673948339, 0.17499757247745146], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.984869195443094e-06, 1.431329403868671e-05, 0.04549696162581844, 0.029612150154520026], "covariance": [[8.909444113905104e-12, -3.324770449913574e-11, -9.015420115242121e-08, -8.01863676885426e-08], [-3.324770449913582e-11, 2.048703862379045e-10, 6.392455158511163e-07, 4.008975079409373e-07], [-9.015420115242142e-08, 6.392455158511165e-07, 0.002069973517181196, 0.0012009227149606875], [-8.018636768854265e-08, 4.0089750794093704e-07, 0.0012009227149606862, 0.0008768794367738404]]}