{"coeffs": [-1.75079041365499e-08, 8.361238490946074e-06, 0.5852921981458656, 0.11230515275595798], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.8066493982110198e-08, 1.0863343269711392e-06, 0.0274518689841652, 0.007384914400412749], "covariance": [[7.877280844478279e-16, -1.73328220092856e-14, -4.356211177702522e-10, -1.4836720633448188e-10], [-1.7332822009285635e-14, 1.1801222699558382e-12, 2.9734814213479558e-08, 7.513738602392085e-09], [-4.356211177702525e-10, 2.9734814213479558e-08, 0.0007536051107237714, 0.0001922033335919183], [-1.4836720633448186e-10, 7.513738602392085e-09, 0.0001922033335919183, 5.453696070142359e-05]]}