摘要: In this paper we construct new finite element subspace using polynomials of different degrees and the new finite element scheme is established. The convergence of the scheme and the stability of the reduced difference equation are proved.
吴启光. THE FINITE ELEMENT METHOD OF SINGULAR PERTURBATION PROBLEM[J]. Applied Mathematics and Mechanics (English Edition), 1984, 5(1): 1011-1018.
Wu Chi-kuang. THE FINITE ELEMENT METHOD OF SINGULAR PERTURBATION PROBLEM[J]. Applied Mathematics and Mechanics (English Edition), 1984, 5(1): 1011-1018.