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4.3.4.2 column

— Function: grid:column grid index &optional destination

The subgrid with the second index set to the specified value.

— Function: (setf grid:column)

Set the subgrid with the second index set to the specified value.

The functions column, (setf column) select or set the column of a matrix. For example, the first column of the above array is

     (column (test-grid-double-float 'array '(3 4)) 0)
     #(0.0d0 10.0d0 20.0d0)