VECDIAG Function

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VECDIAG Function

creates a vector from a diagonal

VECDIAG( square-matrix)

where square-matrix is a square numeric matrix.

The VECDIAG function creates a column vector whose elements are the main diagonal elements of square-matrix. For example, the statements

   a={2 1, 0 -1};
   c=vecdiag(a);

produce the column vector

                C             2 rows      1 col     (numeric)

                                          2
                                         -1

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