On Extremal Ranks and Least Squares Solutions Subject to a Rank Restriction

Hongxing Wang and Yeguo Sun

Abstract and Applied Analysis, 2014, vol. 2014, 1-7

Abstract:

We discuss the feasible interval of the parameter and a general expression of matrix which satisfies the rank equation . With these results, we study two problems under the rank constraint . The first one is to determine the maximal and minimal ranks under the rank constraint . The second one is to derive the least squares solutions of under the rank constraint .

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:457298

DOI: 10.1155/2014/457298

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