清空筛选条件
清空筛选条件

creating multidiagonal matrix from a basic square matrix

1 次查看（过去 30 天）
Saeid
Saeid 2017-10-8
评论： Saeid 2017-10-8
For a finite difference code I need to create a multidiagonal matrix from a basic square matrix A:
How can I do this without using a for loop?

请先登录，再回答此问题。

采纳的回答

Andrei Bobrov
Andrei Bobrov 2017-10-8
编辑：Andrei Bobrov 2017-10-8
A = magic(3);
n = 8;
B = repmat({A},1,n);
out = blkdiag(B{:});

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Operating on Diagonal Matrices 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