{"coeffs": [-7.089496094093916e-07, 0.557187558659725, 1.424029360965691, 0.07378799288919514], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.443578402126434e-07, 43062.20915707822, 5725.739549620416, 0.06961608237299732], "covariance": [[2.9632545820097375e-13, -0.01027848408155709, -0.0013667268288416064, -2.103974401454117e-08], [-0.010278484071737157, 1854353857.4879515, 246562993.8754598, 2865.2529279061696], [-0.001366726827417922, 246562993.87546933, 32784093.39008741, 380.981141515479], [-2.1039744003025697e-08, 2865.2529287739403, 380.98114163154827, 0.004846398924963948]]}