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how can i change a position of a matrix to 1?

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suchismita
suchismita 2014-6-30
评论： suchismita 2014-6-30
i have a matrix a=rand(1,10). now i want to change 2,4,6 position of matrix to 1.
how can i do that....
plz plz plz help me

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Matt J
Matt J 2014-6-30
a([2,4,6])=1

更多回答（1 个）

Andrei Bobrov
Andrei Bobrov 2014-6-30
a = rand(10,1);
a(randperm(10,3)) = 1;

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