{"coeffs": [-1.0148351713093767e-06, 0.4344452339841461, 1.9154611720848609, 0.14651284557867023], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [5.114514672672084e-07, 363.775362099553, 123.17542984886887, 0.012492142711189456], "covariance": [[2.6158260336978035e-13, -0.00013454964107427667, -4.556681603542921e-05, -5.362508862333162e-09], [-0.00013454964108462083, 132332.5140706609, 44808.18526195431, 4.373919324624496], [-4.556681603900037e-05, 44808.185261953084, 15172.186518453618, 1.4811238863369507], [-5.3625088625445575e-09, 4.373919324486858, 1.4811238862906149, 0.00015605362951672384]]}