fractional advection–diffusion equation with variable coefficients which is based on the
moving least square (MLS) approximation. In the proposed method, firstly the time fractional
derivative is approximated by a finite difference scheme of order O ((δ t) 2− α), 0< α≤ 1 and
then the MLS approach is employed to approximate the spatial derivative where time
fractional derivative is expressed in the Caputo sense. Also, the validity of the proposed …