{"coeffs": [-2.6370096206841306e-07, 4.4997564608769836e-05, 0.44766047843587664, 0.11401752845140511], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.435087593490064e-08, 6.835949938675039e-07, 0.003798893490616658, 0.0020956485110275765], "covariance": [[8.902087789683013e-15, -3.6892561556290265e-14, -1.6237593627687298e-10, -1.4751903248674154e-10], [-3.689256155629024e-14, 4.673021156407127e-13, 2.538073227366372e-09, 1.3022274161514446e-09], [-1.6237593627687293e-10, 2.5380732273663717e-09, 1.4431591753049617e-05, 6.882423494830495e-06], [-1.4751903248674154e-10, 1.3022274161514448e-09, 6.882423494830496e-06, 4.391742681772098e-06]]}