:(1)

NAME
: - colon operator

DESCRIPTION

:   : Colon. Used in subscripts and loops.

EXAMPLES

j:k is the vector
    (empty if J>K).

j:d:k
    is the vector

The colon notation can be used to pick out selected rows,
columns and elements of vectors and matrices.
A(:) is the vector of all the elements of A  regarded as a single
column.

A(:,j)
    is the j-th column of A

A(j:k)
    is

A(:,j:k)
    is
    and so on.

 A(:)=w  fills the matrix A with entries of w (taken
column by column if w is a matrix).

SEE ALSO
matrix