{"coeffs": [-6.47522856821172e-08, 0.4475352443513783, 1.6541043218493356, 0.10370368097236557], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [8.839188633379351e-08, 856.9667400113156, 199.21587049303182, 0.006157554571825696], "covariance": [[7.813125569646272e-15, -4.300981766915997e-05, -9.999143346914883e-06, -3.786598438549072e-10], [-4.300981769236039e-05, 734391.9934856218, 170721.37438328806, 5.043478518191873], [-9.999143352240462e-06, 170721.37438327906, 39686.96305629642, 1.1724715922647573], [-3.7865984396369024e-10, 5.043478517297395, 1.1724715920573698, 3.791547830501153e-05]]}