{"coeffs": [-5.204093346189572e-06, 4.90678509676506e-05, 1.1646830664272, 0.5722187300797041], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.055395688371832e-06, 4.061423352098242e-05, 0.7044819636553015, 0.1990841648712955], "covariance": [[4.224651435777518e-12, -8.167745022371765e-11, -1.4185847198517331e-06, -4.0681548865670097e-07], [-8.167745022375867e-11, 1.6495159644968918e-09, 2.8610770154010988e-05, 8.042916372647459e-06], [-1.4185847198524199e-06, 2.861077015401048e-05, 0.49629483711562944, 0.13960938023352318], [-4.068154886568014e-07, 8.042916372645458e-06, 0.13960938023349095, 0.03963450470250116]]}