{"coeffs": [-9.236453133977567e-07, 4.8147154260728626e-05, 0.4150376844564191, 0.13020506416890626], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.732158767399116e-07, 1.4025732031114456e-06, 0.007915417285039443, 0.005083695036628856], "covariance": [[7.464691530275855e-14, -2.4641396944777675e-13, -1.0490362802557968e-09, -1.1300629123610628e-09], [-2.4641396944777675e-13, 1.9672115900863003e-12, 1.0752642429325902e-08, 6.527889347440335e-09], [-1.0490362802557974e-09, 1.0752642429325902e-08, 6.265383079630118e-05, 3.3940504151020766e-05], [-1.1300629123610633e-09, 6.527889347440334e-09, 3.394050415102075e-05, 2.584395522544487e-05]]}