creating multidiagonal matrix from a basic square matrix

Saeid

2017 10 8

1 个回答

9 次查看（30 天）

0 个投票

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?

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Andrei Bobrov 2017-10-8

编辑：Andrei Bobrov 2017-10-8

1 个投票

A = magic(3);
n = 8;
B = repmat({A},1,n);
out = blkdiag(B{:});

Saeid 2017-10-8

Thanks Andrei. That was great help!

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