{"coeffs": [-3.5610538490055284e-07, 0.00037914606281278787, 0.9425897383796477, 0.12816901162553204], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.293797604506967e-08, 0.00012116856314587225, 0.04932786913304934, 0.0021915489234137875], "covariance": [[1.8436697868469773e-15, -3.4508665670422518e-12, -1.4376252207286718e-09, -7.42390938404564e-11], [-3.4508665670422413e-12, 1.468182069483523e-08, 5.97361057487739e-06, 2.5429310575341836e-07], [-1.4376252207286615e-09, 5.973610574877389e-06, 0.0024332386732072416, 0.00010449522351266615], [-7.42390938404554e-11, 2.5429310575341836e-07, 0.00010449522351266615, 4.80288668371613e-06]]}