Looping for replace matrix elements

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Ana Rizkasari
Ana Rizkasari 2016-11-24
回答： the cyclist 2016-11-24
Helo,
I have matrix 3x3, let's say
XX = [3,0,0;
0,3,3;
4,5,4]
I want to generate matrix 9x3 which value same with matrix XX every forth row. as illustration:
XXnew = zeros (9,3)
as result :
XXnew = [3,0,0;
0,3,3;
4,5,4;
3,0,0;
0,3,3;
4,5,4;
3,0,0;
0,3,3;
4,5,4];
How to code with "for end" function.
Thank you!

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采纳的回答

KSSV
KSSV 2016-11-24
XX = [3,0,0;0,3,3;4,5,4] ;
iwant = repmat(XX,3,1);
doc repmat.

更多回答（1 个）

the cyclist
the cyclist 2016-11-24
XXnew = repmat(XX,3,1);

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