{"coeffs": [-6.844207661434826e-06, 0.00010269209095617031, 0.4392162960610408, 0.19353600511954744], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.6257105533554947e-06, 5.500589886601234e-06, 0.01662979209833665, 0.013396029655728857], "covariance": [[2.6429348032914287e-12, -7.433120443137254e-12, -1.8477739122504203e-08, -2.0441261736601366e-08], [-7.433120443137267e-12, 3.025648910057978e-11, 8.87715175840172e-08, 7.047656846175622e-08], [-1.847773912250427e-08, 8.877151758401728e-08, 0.0002765499852339, 0.00019497869540997695], [-2.0441261736601382e-08, 7.047656846175616e-08, 0.00019497869540997662, 0.00017945361053716698]]}