{"coeffs": [3.794328105894308e-10, -0.14930130967024097, 1.0543605084394585, 0.04018528618835699], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.255850715609084e-09, 1124748.9318045953, 302423.9258397404, 0.04965579735207242], "covariance": [[5.088862451114017e-18, -0.0011274413298254756, 0.0003031480368982113, 6.050418294095668e-11], [-0.001127441717954388, 1265060159595.578, -340150987540.3788, -54470.1317375487], [0.00030314813879794644, -340150987540.3215, 91460230920.32079, 14646.000220581735], [6.050419605443485e-11, -54470.12790501398, 14645.999190010414, 0.0024656982106700826]]}