{"coeffs": [-1.355226397641017e-06, 0.00012945846811382672, 0.5036966277993261, 0.19283438779051412], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.8854476019430227e-06, 2.5282207803973813e-05, 0.06994091325834975, 0.032456536989283295], "covariance": [[8.325807863558741e-12, -5.921542024323963e-11, -1.560190467954159e-07, -8.63347506396418e-08], [-5.921542024323977e-11, 6.391900314433144e-10, 1.7613288296989682e-06, 7.857716853958972e-07], [-1.560190467954162e-07, 1.7613288296989685e-06, 0.004891731347412004, 0.002143569889528814], [-8.633475063964194e-08, 7.857716853958968e-07, 0.0021435698895288123, 0.0010534267933367146]]}