repeat a matrix in defined manner

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Rica
Rica 2012-12-12
hi! How could i generate from this matrix:
A=[1 2 3
4 5 6
4 5 6]
this matrix:
B= [1 1 1 1 2 2 2 2 3 3 3 3
4 4 4 4 5 5 5 5 6 6 6 6
4 4 4 4 5 5 5 5 6 6 6 6]
thank you

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采纳的回答

Azzi Abdelmalek
Azzi Abdelmalek 2012-12-12
编辑：Azzi Abdelmalek 2012-12-12
A=[1 2 3;4 5 6;4 5 6];
m=4
B=cell2mat(arrayfun(@(x) x*ones(1,m),A,'un',0))

更多回答（1 个）

Walter Roberson
Walter Roberson 2012-12-12
编辑：Walter Roberson 2012-12-12
kron(A,[1 1 1 1])
or
A(:, repmat(1:end,4,1) )

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