{"coeffs": [4.6502415816172036e-07, 0.3397731123998675, 1.4987515013243053, 0.09611046988934896], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [5.086856015293891e-07, 996.5149204304882, 283.6544074452562, 0.020001144665103388], "covariance": [[2.5876104120331637e-13, -0.0002711657532088864, -7.720003309612075e-05, -6.735672799495729e-09], [-0.0002711657530174242, 993041.9866405822, 282665.8440303492, 19.03759240906612], [-7.720003304139256e-05, 282665.8440303922, 80459.82286311942, 5.419305399226504], [-6.735672797056524e-09, 19.037592413715668, 5.419305400548197, 0.0004000457879143937]]}