In Exercises 23 and 24, find a nonsingular matrix
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- In Exercises30-35, verify Theorem 3.32 by finding the matrix of ST (a) by direct substitution and (b) by matrix multiplication of [S] [T]. T[x1x2]=[x1x2x1+x2],S[y1y2]arrow_forwardIn Exercises 7-12,find an LU factorization of the given matrix [1231263006671290]arrow_forwardIn Exercises 23-28, let A=[102311201] and B=[230211164] Use the matrix-column representation of the product to write each column of AB as a linear combination of the columns of A.arrow_forward
- In Exercises30-35, verify Theorem 3.32 by finding the matrix of ST (a) by direct substitution and (b) by matrix multiplication of [S] [T]. T[x1x2x3]=[x1+2x22x2x3],S[y1y2]=[y1y2y1+y2y1+y2]arrow_forwardIn Exercises 23-28, let A=[102311201] and B=[230111164] Use the matrix-column representation of the product to write each column of BA as a linear combination of the columns of B.arrow_forwardFind an orthogonal matrix P such that PTAP diagonalizes the symmetric matrix A=[1331].arrow_forward
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