selection of n disticnt vector

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parham kianian
parham kianian 2020-1-19
编辑： John D'Errico 2020-1-19
I have a vector A like
A = 1 : 10
I want to make two distinc vector of length 3 such thta no array be in common between these vectors. for example
a = [1 2 5]
b [ 3 4 8]
is a good answer but somthing like
a = [1 2 5]
b = [5 4 7]
is not desired. Since the number 5 is in common between two vectors.

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回答（1 个）

John D'Errico
John D'Errico 2020-1-19
编辑：John D'Errico 2020-1-19
Easy enough.
A = 1:10;
index = randperm(10,6);
a = A(index(1:3));
b = A(index(4:6));
Since randperm generates samples without replacement, no overlap is certain.

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