Coadjoint Formalism: Nonorthogonal Basis Problems

William Labecca, Osvaldo Guimarães and José Roberto C. Piqueira

Mathematical Problems in Engineering, 2016, vol. 2016, 1-9

Abstract:

Using nonorthogonal bases in spectral methods demands considerable effort, because applying the Gram-Schmidt process is a fundamental condition for calculations. However, operational matrices numerical methods are being used in an increasing way and extensions for nonorthogonal bases appear, requiring simplified procedures. Here, extending previous work, an efficient tensorial method is presented, in order to simplify the calculations related to the use of nonorthogonal bases in spectral numerical problems. The method is called coadjoint formalism and is based on bracket Dirac’s formulation of quantum mechanics. Some examples are presented, showing how simple it is to use the method.

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:9718962

DOI: 10.1155/2016/9718962

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