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# Catalogue Display

## Linear Dependence: Theory and Computation

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Catalogue Information
Field name Details
Dewey Class 512.5
Title Linear Dependence ([EBook]) : Theory and Computation / by S. N. Afriat.
Author Afriat, Sydney Naphtali
Publication Boston, MA : Springer US , 2000.
Physical Details XV, 175 pages. : online resource.
ISBN 9781461542735
Summary Note Deals with the most basic notion of linear algebra, to bring emphasis on approaches to the topic serving at the elementary level and more broadly. A typical feature is where computational algorithms and theoretical proofs are brought together. Another is respect for symmetry, so that when this has some part in the form of a matter it should also be reflected in the treatment. Issues relating to computational method are covered. These interests may have suggested a limited account, to be rounded-out suitably. However this limitation where basic material is separated from further reaches of the subject has an appeal of its own. To the `elementary operations' method of the textbooks for doing linear algebra, Albert Tucker added a method with his `pivot operation'. Here there is a more primitive method based on the `linear dependence table', and yet another based on `rank reduction'. The determinant is introduced in a completely unusual upside-down fashion where Cramer's rule comes first. Also dealt with is what is believed to be a completely new idea, of the `alternant', a function associated with the affine space the way the determinant is with the linear space, with n+1 vector arguments, as the determinant has n. Then for affine (or barycentric) coordinates we find a rule which is an unprecedented exact counterpart of Cramer's rule for linear coordinates, where the alternant takes on the role of the determinant. These are among the more distinct or spectacular items for possible novelty, or unfamiliarity. Others, with or without some remark, may be found scattered in different places.:
Contents note 1 Matrices -- 2 Linear Space -- 3 Linear Dependence -- 4 Dimension -- 5 Replacement -- 6 Linear Equations -- 7 Determinants -- 8 Determinants and Matrices -- 9 Quadratic Forms -- 1 Permutations -- 2 Combinations -- 1 Maximal replacement -- 2 Rank reduction -- 3 Tuckerâ€™s pivot algorithm -- 4 Extended rank reduction -- 5 Permutations -- 6 Combinations.
System details note Online access to this digital book is restricted to subscription institutions through IP address (only for SISSA internal users)
Internet Site http://dx.doi.org/10.1007/978-1-4615-4273-5