{"coeffs": [-2.579470502179855e-06, 8.46808045647627e-05, 0.5109526487774059, 0.1666505370246419], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.35159049800223e-07, 2.3739712576270723e-06, 0.008697331084296303, 0.004563321461657446], "covariance": [[1.1233158866298833e-13, -6.200811753830867e-13, -2.082375567189234e-09, -1.382607375235836e-09], [-6.200811753830856e-13, 5.635739532039464e-12, 2.0483563139790942e-08, 1.0287337610880831e-08], [-2.0823755671892265e-09, 2.048356313979094e-08, 7.564356798986671e-05, 3.667800093963348e-05], [-1.3826073752358344e-09, 1.0287337610880841e-08, 3.667800093963353e-05, 2.0823902762423447e-05]]}