期刊
EUROPEAN PHYSICAL JOURNAL PLUS
卷 126, 期 10, 页码 -出版社
SPRINGER HEIDELBERG
DOI: 10.1140/epjp/i2011-11097-5
关键词
-
资金
- Concordia College, MN, PI Oksana Bihun
- NSF [DUE 0969568]
To approximate solutions of a linear differential equation, we project, via trigonometric interpolation, its solution space onto a finite-dimensional space of trigonometric polynomials and construct a matrix representation of the differential operator associated with the equation. We compute the ranks of the matrix representations of a certain class of linear differential operators. Our numerical tests show high accuracy and fast convergence of the method applied to several boundary and eigenvalue problems.
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