repeat element in an array

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HU Jianho
HU Jianho 2012-1-16
Hello, If I have this matrix A = A = [1 1 1; 2 2 2; 3 3 3]; and I want to get this result C = [1 1 1; 1 1 2; 1 1 3; 1 2 1; 1 2 2; 1 2 3; 1 3 1; . . .; . . .; 3 3 1; 3 3 2; 3 3 3] I need the elements to be repeated to get the C matrix.
Please help me with that, thanks.

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回答（2 个）

Oleg Komarov
Oleg Komarov 2012-1-16
Sean de Wolski
Sean de Wolski 2012-1-16
One way:
[xx yy zz] = ndgrid(1:3);
C = [xx(:) yy(:) zz(:)]

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