{"coeffs": [-2.7584763946321904e-08, 0.22645887724248112, 1.2617415906406602, 0.06375247903553243], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.586425292739248e-08, 594.4068020182715, 167.9354315829154, 0.004696399412854807], "covariance": [[1.2862446380399803e-15, -8.449604364800852e-06, -2.3874385405001974e-06, -8.498091130241608e-11], [-8.449604369405011e-06, 353319.4462855886, 99821.96250259415, 2.6735282076500617], [-2.387438541850895e-06, 99821.96250258977, 28202.30918094006, 0.7553599148016873], [-8.498091132851507e-11, 2.6735282072162394, 0.7553599146793372, 2.2056167445062976e-05]]}