{"coeffs": [1.2141829312263952e-08, 8.788508722956541e-06, 0.6118792412097079, 0.05807780831975626], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.5794169448242193e-08, 3.2939821404213457e-06, 0.03859772762212144, 0.0076051593833406945], "covariance": [[6.65339177524631e-16, -2.8644576417572124e-14, -3.405765377222941e-10, -8.792577547894394e-11], [-2.864457641757217e-14, 1.0850318341414789e-11, 1.2682436593601376e-07, 2.354399965740298e-08], [-3.405765377222943e-10, 1.2682436593601373e-07, 0.0014897845775914765, 0.00028057394447322977], [-8.792577547894401e-11, 2.3543999657402978e-08, 0.00028057394447322977, 5.7838449246015006e-05]]}