Simple version of creating a matrix

2020 3 3
2 个回答
更新时间：2021 8 20
7 次查看（30 天）

0 个投票

Hello people,
I would like to know if someone has a quick way of writing this matrix using 'ones' and 'zeros':
Aeq=[1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,1;0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,-1];
Many thanks!

回答（2 个）

Jesus Sanchez
Jesus Sanchez 2020-3-3
编辑：Jesus Sanchez 2020-3-3

1 个投票

One possibility is to concatenate them at the same time that they are created using zeros and ones. So something like this:
Aeq=[1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,1;0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,-1];
Aeq2 = [ones(1,9) zeros(1,10) 1 ; ...
zeros(1,9) ones(1,10) -1];
Mario Malic
Mario Malic 2020-3-3

1 个投票

You can fill all entries with either 'ones' or 'zeros', then change the rest:
Aeq = zeros(1,20);
Aeq (1,1:10) = ones;

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2021-8-20

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