{"coeffs": [-8.120437791215213e-07, 0.8541737074324761, 2.034690934929901, 0.15152043078791305], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [8.866301498263542e-07, 1627.7032359252205, 289.92939890617174, 0.01810367985019391], "covariance": [[7.861130225811034e-13, -0.001064139849375424, -0.0001895670889612745, -1.3659699064141864e-08], [-0.0010641398493511677, 2649417.824241434, 471919.0150135683, 28.39003863579293], [-0.00018956708896056892, 471919.0150135687, 84059.05635009406, 5.057103992278522], [-1.3659699063983209e-08, 28.390038635833896, 5.057103992284627, 0.000327743224118317]]}