{"coeffs": [-3.1012715626531702e-06, 7.704712856711728e-05, 0.5430956592074003, 0.21021779620487857], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.2871131991537318e-06, 2.3797824082458356e-05, 0.11313565481824024, 0.05694229777794434], "covariance": [[1.080511318405068e-11, -6.679560552947108e-11, -3.029729443200098e-07, -1.7699737400186285e-07], [-6.679560552947099e-11, 5.66336431059635e-10, 2.6820674599865913e-06, 1.308501933359086e-06], [-3.029729443200093e-07, 2.6820674599865913e-06, 0.012799676391152008, 0.006117725721926321], [-1.7699737400186272e-07, 1.3085019333590867e-06, 0.0061177257219263235, 0.0032424252762320847]]}