Example sentences of "[letter] [be] said to be [adj] " in BNC.

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1 Two matrices , A , B are said to be equivalent if one can be derived from the other by any finite number of elementary operations of the types specified above .
2 It follows that we can not make up a square matrix X of eigenvectors to satisfy ( 8 ) ; for this reason the matrix B is said to be defective .
3 In terminology which is due to Kydland and Prescott ( 1977 ) , the optimal position point B is said to be time-inconsistent .
4 For example , the matrix unc is orthogonal , since unc It should be noted that the determinant of the above orthogonal matrix is unity : in general an orthogonal matrix will have unc as its determinant since unc ( 12 ) Hermitian and skew-Hermitian matrices — if a matrix , A , has complex elements , it can clearly be written in the form unc where B and C are real matrices and unc is the conjugate of A. If B is symmetric and C is skew-symmetric , A is said to be Hermitian .
5 Evidently in this case unc If B is skew-symmetric and C is symmetric , A is said to be skew-Hermitian .
6 ( The sets X and Y are said to be incomparable if
7 There are colour contrasts however : the simple guilloche of mosaic C is said to be grey , red and white ( Neal 1981 , no. 4O ) , whereas that of mosaic 7 is clearly brown , red , and white ( mosaic on view in Verulamium Museum ) .
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