{"coeffs": [-1.0117879449703452e-06, 7.63090284995071e-05, 0.45210100151002247, 0.13783678593149587], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.4832105418271123e-07, 1.0747434231392043e-06, 0.003962837351347633, 0.002127294222119931], "covariance": [[2.1999135113870764e-14, -1.0704190497737916e-13, -3.390581186761162e-10, -2.614835158665432e-10], [-1.0704190497737925e-13, 1.1550734255809748e-12, 4.196851352458864e-09, 2.1221739100451225e-09], [-3.390581186761164e-10, 4.196851352458865e-09, 1.570407987323592e-05, 7.526775459911055e-06], [-2.6148351586654325e-10, 2.1221739100451212e-09, 7.526775459911052e-06, 4.525380707464843e-06]]}