$.    ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------    ![Left panel: The fractional B-spline $B_{0.0}$ (green line), its first derivative (red line) and its fractional derivatives of order $\gamma =0.00$ (blue line), 0.0 (cyan line), 0.00 (black line). Right panel: The fractional basis $\{\chi_{0.0,0,r}\}$(right).[]{data-label="fig:fract_Basis"}](F