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identity matrix

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
identity matrix
n.
A square matrix with 1's along the diagonal from upper left to lower right and 0's in all other positions.
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identity matrix
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.identity matrix - a scalar matrix in which all of the diagonal elements are unity
unit matrix
scalar matrix - a diagonal matrix in which all of the diagonal elements are equal


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? Mentioned in ? References in periodicals archive
 
Amino acid identity matrix of all known human parechovirus (HPeV) full-length sequences * Target HPeV1 (H) HPeV2 (W) HPeV2 (CT) HPeV3 (A308) ORF K251176-02 88.
Fourth human parechovirus serotype by Wolthers, Katja C. / Emerging Infectious Diseases
This is a polynomial f(x) of degree n that is equal to the determinant of the matrix A--xI(n) where I(n) represents the identity matrix of order n.
Short cuts to computing eigenvalues by Sadek, Jawad / Academic Exchange Quarterly
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