{"coeffs": [1.2507365683918133e-06, 0.4073381739286339, 1.794054522259444, 0.12685361680548052], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [3.0807331459637476e-06, 5862.481795871167, 1837.8746044332868, 0.11966485471262772], "covariance": [[9.49091671663969e-12, -0.011905252730427801, -0.003732773439933753, -2.888125396308831e-07], [-0.011905252728872565, 34368692.80692083, 10774506.253009101, 672.8184455756567], [-0.0037327734394442154, 10774506.253009394, 3377783.06162081, 210.9377106505238], [-2.8881253961039836e-07, 672.8184456071996, 210.93771066033582, 0.0143196774533943]]}