{"coeffs": [-2.809237012393001e-06, 8.477663164268865e-05, 0.4928366235339223, 0.17290175268254698], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.105664208726699e-07, 6.398447561022579e-06, 0.024339937694837825, 0.01133093640601448], "covariance": [[5.049046384717962e-13, -3.5106802445137548e-12, -1.2548629703165832e-08, -7.225368137247897e-09], [-3.5106802445137536e-12, 4.0940131191155786e-11, 1.549255472274234e-07, 6.887715581947854e-08], [-1.2548629703165832e-08, 1.549255472274234e-07, 0.0005924325669885873, 0.00025781330826607317], [-7.225368137247894e-09, 6.887715581947854e-08, 0.00025781330826607317, 0.00012839011983714434]]}