{"coeffs": [-3.5703842502631676e-07, 0.20875577854372773, 1.7579033181321295, 0.129003408070438], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [8.902473115842557e-08, 69.61427134016562, 43.3348917631443, 0.004375699496879761], "covariance": [[7.92540275782995e-15, -4.132298246189261e-06, -2.572861501910844e-06, -3.07895496947227e-10], [-4.1322982456675735e-06, 4846.146774222203, 3016.7268172890012, 0.29221753345598495], [-2.572861501594403e-06, 3016.726817289118, 1877.9128441234313, 0.18191896113437575], [-3.0789549692764715e-10, 0.2922175334691729, 0.18191896114258752, 1.9146746086993787e-05]]}