find array equal and put it in group?
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Le Xuan Thang
le 29 Déc 2019
Modifié(e) : Thiago Henrique Gomes Lobato
le 29 Déc 2019
Hello guys! i have a problem.
i have matrix:
A = [1 0 0 0 0
0 1 0 0 1
0 0 1 0 0
0 0 0 1 0
0 1 0 0 1]
and i want to find each total row or column equal then put it in group like:
group 1 = row1;
group 2 = row 3
group 3 = row 2, row 5;
group4 = row 4
plz help me. tks.
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Thiago Henrique Gomes Lobato
le 29 Déc 2019
Modifié(e) : Thiago Henrique Gomes Lobato
le 29 Déc 2019
This is one of the basic functionalites of the unique function, just do something like this:
A = [1 0 0 0 0
0 1 0 0 1
0 0 1 0 0
0 0 0 1 0
0 1 0 0 1];
[C,ia,ic] = unique(A,'rows');
ic
ic =
4
3
2
1
3
The ic vector is saying for which group each row belongs
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