{"coeffs": [4.0527023232927715e-08, 0.03502875929133478, 1.2799038678417003, 0.07432333549157195], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.440871308487843e-08, 170.612478105151, 363.6023826854732, 0.020332030965651803], "covariance": [[1.9721337978550526e-15, -3.1916350836503764e-06, -6.802980803970501e-06, -4.844414524187463e-10], [-3.1916350837628632e-06, 29108.617685180634, 62035.102800110915, 3.3137929929576364], [-6.802980804295685e-06, 62035.102800110515, 132206.69269455326, 7.062561508155027], [-4.844414524268705e-10, 3.313792992917202, 7.062561508064657, 0.0004133914831882238]]}