{"coeffs": [-6.46993591995487e-08, 0.13320544252138047, 1.2774896428750675, 0.06639476621612553], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.3212477591434293e-08, 270.2053183622637, 135.15398281774438, 0.004444249475416104], "covariance": [[5.388191159328392e-16, -2.552892919083907e-06, -1.2770580553830954e-06, -5.341124599408326e-11], [-2.5528929171384765e-06, 73010.91407125228, 36519.32479088631, 1.1492955296073295], [-1.277058054431392e-06, 36519.32479088877, 18266.599071499146, 0.5748825628953387], [-5.341124597224967e-11, 1.1492955298542937, 0.5748825630189242, 1.975135339973632e-05]]}