{"coeffs": [-3.6151201496235645e-06, 0.00010514239220594095, 0.7061848263624811, 0.23495335923227814], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [8.652989404280253e-07, 1.8516574225191316e-05, 0.06974098990629365, 0.020450354507410888], "covariance": [[7.487422563058633e-13, -1.4104210435391762e-11, -5.323230356351333e-08, -1.6909366718140553e-08], [-1.4104210435391872e-11, 3.4286352103701944e-10, 1.2906323857294515e-06, 3.687269470554501e-07], [-5.323230356351373e-08, 1.2906323857294517e-06, 0.004863805673109754, 0.0013932638725334822], [-1.6909366718140622e-08, 3.6872694705544925e-07, 0.0013932638725334787, 0.0004182169994787809]]}