{"coeffs": [1.227483158986863e-07, 0.19899633689425705, 1.768343825653292, 0.13899074719448032], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.35229129621303e-07, 102.73102209806366, 72.26319836162799, 0.012941008454178685], "covariance": [[1.8942439527091696e-13, -3.130964832273515e-05, -2.203053772321321e-05, -4.617992417392e-09], [-3.13096483233854e-05, 10553.662901312844, 7423.671602549269, 1.2777156551284587], [-2.2030537723705085e-05, 7423.671602549193, 5221.969837451993, 0.8988783294950388], [-4.617992417434996e-09, 1.2777156551191107, 0.8988783294883622, 0.00016746969981112418]]}