{"coeffs": [-1.6011710280475346e-06, 6.080509910061222e-05, 0.3880982958069243, 0.1581856777647539], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.0419406496971296e-07, 1.5249715185876603e-06, 0.007472753042224906, 0.005624565826935728], "covariance": [[1.6337284215674055e-13, -4.545988768479133e-13, -1.6695072098820156e-09, -2.013480392977558e-09], [-4.545988768479128e-13, 2.3255381325035548e-12, 1.0954978195968844e-08, 8.00179466414447e-09], [-1.669507209882012e-09, 1.0954978195968839e-08, 5.584203803008159e-05, 3.514368191297149e-05], [-2.0134803929775572e-09, 8.001794664144473e-09, 3.514368191297152e-05, 3.163574074153319e-05]]}