{"coeffs": [-4.4254482030769473e-07, 4.0817088713722104e-05, 0.36486693156111677, 0.08315913960660118], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.607662629014396e-06, 4.579818824070839e-06, 0.026261228401896482, 0.02186902350786626], "covariance": [[2.5845791287294793e-12, -2.900291172278752e-12, -8.604292384191462e-10, -2.1725152624070393e-08], [-2.90029117227875e-12, 2.0974740461313602e-11, 9.992641411497474e-08, 8.129501602739931e-08], [-8.604292384191358e-10, 9.992641411497471e-08, 0.0006896521171765744, 0.0003277888946704877], [-2.1725152624070387e-08, 8.129501602739932e-08, 0.00032778889467048773, 0.00047825418918760715]]}