adjugate

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adjugate

[′aj·ə‚gāt]
(mathematics)
For a matrix A, the matrix obtained by replacing each element of A with the cofactor of the transposed element. Also known as adjoint of a matrix.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Lemma 20 Let ([P.sub.i,j](x)) be the adjugate matrix of M(x), and let [rho] be the greater of the real numbers [[rho].sub.1], [[rho].sub.2].