How do you extract diagonal elements of a cell array?

LL
2022 1 14
1 个回答
回答已采纳
更新时间：2022 1 14
5 次查看（30 天）

0 个投票

[9;9;9;9;1;1;2;2] [9;2;1;1;2;1;9;9] [9;2;1;1;2;1;9;9]
[9;9;9;9;1;1;2;2] [9;2;1;1;2;1;9;9] [9;2;1;1;2;1;9;9]
0 [2;1;9;2;9;9;9;9] [2;1;9;2;9;9;9;9]
Hi, need help:
i have a cell array like this one, and i need to extract only the elements on the diagonal how can i do?
Please advise Thanks!

请先登录，再回答此问题。

 采纳的回答

Max Heimann
Max Heimann 2022-1-14
编辑：Max Heimann 2022-1-14

0 个投票

Assuming your matrix "data" is equal in x and y dimension:
[y,x] = size(data)
selected_values = data([1:y+1:x*y])
Alternatively you could try creating an index matrix with the "eye" command and then use that to select your values from the matrix.

更多回答（0 个）

类别

在 帮助中心 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