Example sentences of "[letter] is said [prep] [be] " in BNC.

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1 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 .
2 In this procedure b is said to be parallel transported from B to A. Comparison of local vectors in a curved space is less straightforward because it is no longer possible to set up a single Cartesian coordinate system to cover all space .
3 In terminology which is due to Kydland and Prescott ( 1977 ) , the optimal position point B is said to be time-inconsistent .
4 ‘ Given a relation R , the attribute B is said to be functionally dependent on attribute A if at every instant of time each value of A has no more than one value of B associated with it in the relation R. ’
5 If only one vector x exists for which Ax = 0 , A is said to be simply degenerate , or to have simple degeneracy ; if more than one such vector x exists , A has multiple degeneracy .
6 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 .
7 Evidently in this case unc If B is skew-symmetric and C is symmetric , A is said to be skew-Hermitian .
8 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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