NUMERICAL SOLUTION OF ONE–DIMENSIONAL ADVECTION–DIFFUSION EQUATION WITH VARIABLE COEFFICIENTS VIA LEGENDRE–GAUSS–LOBATTO TIME–SPACE PSEUDO–SPECTRAL METHOD Vol. 3(2) July 2015, No. 1, pp. 1-14 G. I. EL–BAGHDADY, M. S. EL–AZAB

Document Type : Regular research papers