{"coeffs": [-3.8340443924033656e-07, 0.08317979743518639, 1.2103218017446964, 0.06914458650001609], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.715072236839785e-07, 200.52050533240367, 167.50925516334496, 0.021538162831390786], "covariance": [[7.371617251258192e-14, -2.2778766115154553e-05, -1.903506206277342e-05, -3.108228169840384e-09], [-2.2778766118237424e-05, 40208.47305876253, 33589.038748961066, 4.131050596943709], [-1.9035062065011825e-05, 33589.03874895971, 28059.35056537861, 3.4513032810886353], [-3.108228170034151e-09, 4.131050596787112, 3.4513032809586246, 0.0004638924581515036]]}