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Fill values from different matrices size

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Daniel
Daniel 2011-10-27
Hello,
I want to know how I can put the values of a matrix 3x3 into a matrix of 6x6 (for example), adding zeros in the not pair rows and colums, just like that:
A B C
D E F
G H I
into:
A 0 B 0 C 0
0 0 0 0 0 0
D 0 E 0 F 0
0 0 0 0 0 0
G 0 H 0 I 0
0 0 0 0 0 0
Thank you very much!

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Grzegorz Knor
Grzegorz Knor 2011-10-27
For example:
a = rand(3);
b = zeros(6);
b(1:2:end,1:2:end) = a

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