Figure 3From: On Hilfer generalized proportional fractional derivativeGraph of \(x(t)\), for the Riemann–Liouville fractional derivatives (\(q=0\), \(\rho =1\)), generalized proportional fractional derivatives (\(q=0\), \(\rho =0.8\)) and Hilfer generalized proportional fractional derivatives (\(q\in (0,1)\), \(\rho \in (0,1)\))Back to article page