{"coeffs": [-2.694981200828072e-06, 0.9225903608215952, 2.1158708611312975, 0.16972266730859195], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.8581125733219657e-06, 1596.02163611459, 295.1387534238897, 0.03218229613939938], "covariance": [[8.168807481781109e-12, -0.003567893838241197, -0.0006598830411946406, -8.149762504173904e-08], [-0.0035678938385794636, 2547285.0629458926, 471047.8219973665, 49.66165310292955], [-0.0006598830412632698, 471047.82199734735, 87106.88377260754, 9.184101513121695], [-8.149762504570858e-08, 49.66165310077718, 9.184101512722927, 0.0010357001848040003]]}