{"coeffs": [-1.5236069769873856e-07, 0.5556255615992169, 1.2467488529241786, 0.05727474898300057], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [3.6057943739114295e-08, 3706.7967311963416, 382.88218425839483, 0.004472906563802903], "covariance": [[1.300175306693132e-15, -4.955430165893751e-05, -5.118757815778558e-06, -7.613134641678399e-11], [-4.95543017463008e-05, 13740342.006407883, 1419266.428123133, 15.91222568439462], [-5.118757824671035e-06, 1419266.4281230539, 146598.7670224794, 1.6436217864833709], [-7.613134649274118e-11, 15.912225677204795, 1.643621785738224, 2.0006893128511094e-05]]}