{"coeffs": [-3.010618504060418e-06, 7.357997436983146e-05, 0.46765108449818155, 0.17634672591035017], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [8.386540727449499e-07, 5.9280349463993084e-06, 0.02616244204564988, 0.013737739299067032], "covariance": [[7.033406537316917e-13, -3.879139669235597e-12, -1.5697558088942967e-08, -1.0422779136542455e-08], [-3.879139669235599e-12, 3.514159832573145e-11, 1.5386602609469794e-07, 7.734375626669013e-08], [-1.5697558088942967e-08, 1.5386602609469796e-07, 0.0006844733737919887, 0.0003321924561309313], [-1.0422779136542455e-08, 7.734375626669015e-08, 0.0003321924561309313, 0.00018872548104913075]]}