A note on comprehensive backward biorthogonalization

David K. Ruch

International Journal of Mathematics and Mathematical Sciences, 2006, vol. 2006, 1-5

Abstract:

We present a backward biorthogonalization technique for giving an orthogonal projection of a biorthogonal expansion onto a smaller subspace, reducing the dimension of the initial space by dropping d basis functions. We also determine which basis functions should be dropped to minimize the L 2 distance betweena given function and its projection. This generalizes some results in [3].

Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:087392

DOI: 10.1155/IJMMS/2006/87392

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