Create matrix indicating combinations of dummy variables

1 次查看（过去 30 天）
Zhenyu Yao
Zhenyu Yao 2019-9-19
编辑： James Tursa 2019-9-19
I have eight dummy variables (0-1 variables). I need to find all the possible combinations of these variables.
For example, v1-v8 are 0-1 variables and I want to the following result.
[0 0 0 0 0 0 0 0;
1 0 0 0 0 0 0 0;
0 1 0 0 0 0 0 0;
0 0 1 0 0 0 0 0;
0 0 0 1 0 0 0 0;
......
1 1 1 1 1 1 1 1]
Therefore, this matrix should be a 256*8 matrix.
I am very new to MATLAB and do not know how to generate matrix using loop. Thanks for help!

请先登录，再回答此问题。

采纳的回答

James Tursa
James Tursa 2019-9-19
编辑：James Tursa 2019-9-19
Variations of this technique are often used, but this can exceed your memory if n gets too large:
n = 8;
result = dec2bin(0:2^n-1) - '0'; % the - '0' turns the dec2bin result into a double

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Logical 的更多信息

标签

产品


版本

R2016a

Community Treasure Hunt

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

Start Hunting!

Translated by