cells
Syntax
cells(obj, row, col)
Arguments
obj is a matrix.
row is a vector of integral type, indicating indices of rows.
col is a vector of integral type of the same length as row, indicating indices of columns.
Details
Return a vector of cells in a matrix by the specified row and column index.
Examples
$ m=(1..15).reshape(3:5)
$ m;
col1 |
col2 |
col3 |
col4 |
col5 |
|---|---|---|---|---|
1 |
4 |
7 |
10 |
13 |
2 |
5 |
8 |
11 |
14 |
3 |
6 |
9 |
12 |
15 |
// obtain the two elements at [0,1] and [0,2]
$ cells(m, 0 0, 1 2)
[4,7]
// obtain the elements on the diagonal of the matrix
$ index = 0..2
$ cells(m, index, index)
[1, 5, 9]