Some Numerical Extrapolation Methods for the Fractional Sub-diffusion Equation and Fractional Wave Equation Based on the <i>L</i>1 Formula

Ren-jun Qi, Zhi-zhong Sun

Communications on Applied Mathematics and Computation . 2022, (4): 1313 -1350 . DOI: 10.1007/s42967-021-00177-8