| COLVEC Function |
converts a matrix into a column vector
- COLVEC( matrix) ;
where matrix is any 
matrix.
The COLVEC function returns an 
vector. It converts a matrix into a column vector in row-major order. The returned vector has 1 column and 
rows. The first 
elements in the vector correspond to the first row of the input matrix, the next elements correspond to the second row, and so on.