清空筛选条件
清空筛选条件

Growing eye matrix as per the size of eye

1 次查看（过去 30 天）
Babu Thomas
Babu Thomas 2022-6-2
评论： Babu Thomas 2022-6-2
I have an eye matrix of size eye(3). I need to increase the size of matrix as below so that eye matrix has to repeat 2 times then 3 times. Can anyone help

请先登录，再回答此问题。

采纳的回答

Chunru
Chunru 2022-6-2
Ran in:
a = tril(repmat(eye(3), [3, 3]))
a = 9×9
1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1

更多回答（3 个）

DGM
DGM 2022-6-2
Ran in:
There are a number of ways, but this is what I'd do:
A = toeplitz([1 0 0 1 0 0 1 0 0],[1 0 0 0 0 0 0 0 0])
A = 9×9
1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1
Bruno Luong
Bruno Luong 2022-6-2
编辑：Bruno Luong 2022-6-2
Ran in:
tril(repmat(eye(3),3))
ans = 9×9
1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1
KSSV
KSSV 2022-6-2
Ran in:
REad about diag
I = diag(repelem(1,1,9))+diag(repelem(1,1,6),-3)+diag(repelem(1,1,3),-6)
I = 9×9
1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 1

类别

在 Help Center 和 File Exchange 中查找有关 Matrices and Arrays 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by