Could anyone help me how to change the values in array

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I ma having two array
A=[1 2
3 4
5 6];
B=[1 2];
I want to change the values present in rows of A which are not equal to B in the following manner
A=[1 2;
1 2;
1 2]
Could anyone please help me on it.

Risposta accettata

Adam Danz
Adam Danz il 8 Ott 2019
Modificato: Adam Danz il 8 Ott 2019
A=[1 2
3 4
5 6];
B=[1 2];
A = repmat(B,size(A,1),1)
or
A = B .* ones(size(A))
  2 Commenti
jaah navi
jaah navi il 8 Ott 2019
when i used the command line A = repmat(B,size(A,1),1),it gives the following result A=[1 2;
1 2;
1 2]
IS it possible to change the rows of A one by one
First A=[1 2;
1 2;
5 6]
then A=[1 2;
1 2;
1 2]
Could you please help me on this.
Adam Danz
Adam Danz il 8 Ott 2019
That could be done in a loop, though it's not clear why this would be beneficial.
A=[1 2
3 4
5 6];
B=[1 2];
for i = 1:size(A,1)
A(i,:) = B;
end
Is that what you're looking for?

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