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, v, v)
[1, 5, 9]